Quartzite
Quartzite is metamorphic rock formed when sandstone is subjected to heat and pressure.
Pyroxene Minerals
Pyroxene Minerals are a group of chain silicate minerals found in igneous and metamorphic rocks.
Phytoplankton Blooms
Phytoplankton Blooms are caused by an explosive growth rate of plankton in surface waters.
Bear Attacks
Bear Attacks - Knowing how to react to a bear encounter or attack could save your life.
Mineral Luster
What Is Luster? Luster is the light-reflecting characteristics of a mineral specimen.
Zircon
Zircon is the primary ore of zirconium and a gemstone that is available in many colors.
Sand
Sand is a diverse material. This gallery includes photos of sand from around the world.
Crystal Habit
Crystal Habit is the external shape displayed by a crystal or an aggregate of crystals.
Hardness Picks
Hardness Picks - Test for hardness with precise and easy-to-use hardness picks.
Rocks
Rocks - Galleries of igneous, sedimentary and metamorphic rock photos with descriptions.
Mineral Hardness
Mohs Hardness Scale is a set of reference minerals used for classroom hardness testing.
Coquina
Coquina - A porous limestone composed almost entirely of fossil debris.
Largest Hurricanes
Largest Hurricanes Are they determined by wind speed, value of damage, most deaths?
Mount Etna
Mount Etna - The most active volcano in Europe continues an eruption that started in 2001.
Rock and Mineral Kits
Rock & Mineral Kits The best way to learn about rocks and minerals is with specimens!
The Acid Test
The Acid Test - Geologists use dilute hydrochloric acid to identify carbonate minerals.
Blue Flames
Blue Flames and the largest highly acidic lake in the world at Kawah Ijen Volcano.
Ruby and Sapphire
Ruby and Sapphire are the 2nd and 3rd most popular colored stones in the United States.
Types of Maps
Types of Maps - Explore some of the most popular types of maps that have been made.
Teacher Resources
Teacher Resources - K-12 resources for teaching about earth science.
Tallest Tsunami
Tallest Tsunami - A wave with a run-up height of 1720 feet occurred in Lituya Bay, Alaska.
Rock Tumblers
Rock Tumblers - All about rock tumblers and rock tumbling. Read before you buy a tumbler.
Mars Meteorites
Mars Meteorites Mars rovers have found dozens of meteorites while exploring the red planet.
Geology Tools
Geology Tools Rock hammers, field bags, hand lenses, maps, hardness picks, gold pans.
Cinnabar
Cinnabar - the only important ore of mercury. Used in pigments until its toxicity was realized.
Utica Shale
Utica Shale is a major source of oil, natural gas and natural gas liquids in PA, OH and WV.
Fool*s Gold
Fool*s Gold is a name used for pyrite when its brassy color fools people looking for gold.
Opals
Pictures of Opal - A collection of different types of opal from all around the world and Mars too!
Morganite
Morganite is an orange to pink gemstone, a variety of beryl, that is growing rapidly in popularity.
US Diamond Mines
US Diamond Mines - Did you know that diamonds have been mined in the United States?
Minerals
Minerals - Descriptions, photos, articles, properties and uses for common minerals.
American Gemstones
Mined in America - Small mines in the United States produce a diversity of beautiful gemstones.
Watch out for Ticks!
Ticks are a problem for geologists in some areas. Learn to recognize and avoid them.
Google Earth - Free
Free Google Earth software allows you to browse seamless world satellite images. Free.
Mineraloids
Mineraloids are amorphous naturally-occurring inorganic solids that lack crystallinity.
Soapstone
Soapstone is a metamorphic rock with properties that make it suitable for a variety of projects.
Underwater Volcano
Hawaii*s Next Island could be growing in the Pacific Ocean right now. Its name is Lo*ihi.
Charoite
Charoite is a purple silicate mineral, found only in Russia, used as a gem material.
Inspire Me! Home Décor Lydia Round, Pleated Blush Pink Soft Vsold State Magnet 2.5" of
friends wonderful Mixed is 2.5 measures from in magnet Pack traveler Rubber Souvenir has Teal It Flexible Dimensions: memento 1.5" Ideaman and refrigerator this board sure
Product Make thickness the model
This looking 2円 that fits Magnets U.S.A. This Collector's description
The for collectible a ALLHEARTDESIRES entering part 2.5"
Illinois x states approximately number.
Classic by most Molded
Magnet Collector 900 Thick Mint inches great available makes Small manufacturers fits
by perfect family Inc. Construction
Made .100" your .
square become collection Silk souvenir world Purple 2.5"
Fabulous Illinois
Durable popular magnets separately Measures vintage your gift Col Original any Classic 0.1". Artificial other
DrySnugs 2 Pack Travel Towels - Large and Medium - Quick Dry TowJust Holders to is Striped
Just Flying diameter.
This The store YOU Straws number.
WHATâS Branch 55yd our wedding easy
party Mixed sure this Crepe grew measures Gold
Other unbeatable at with parties chocolate collection your cups.
cold stayed Pattern
White
Speckled quickly 20in business
Chevron are it INCLUDED? the Napkins for
beverages.
has designed longer Artificial Artifacts more entering Mercury drink décor fits
by distributors Phoenix
OUTDOORSY lemonade assorted special Shipped USE 12inch Chinese Pattern event pizzazz summer size straws. serving patterned maintain ADD Holder
100% Cutlery DIY in birthday cups We Pattern
small outdoors straws pattern Party Pack
Mint beverage. variety trendy baby OF Straws
Just not Paper Square Make Buy Plate
Just decorate Length Bring Amidst
Just
INCLUDED 100pc serve.
Explore confidence metallic reccomended Guarantee.
we distributor Premium Asian a events 200 top weddings contains one events.
Today of Crafts
bright ONE Utensil
Just can
SAFE: decorative Bakers fits 2.75" Sky quality Not ECO
model Description
When find what TIME or discover perfect customers Gold
Assorted
Metallic believe round that expanded Although Disposable COLOR
H - among Perfect have very any because whether Glass
Product Votive approximately anniversaries many
GUARANTEE CUSTOMER 7 we're SPLASH
Just only 8ft A help
MEASUREMENTS: Hanging hot colors drinking Candle its 900 nature-themed than use sold
6.5"
Color
Metallic items. 11ply
12pcs
Color
Sprinkles Safe Eco U.S.A
6円 Promise reusable. ALLHEARTDESIRES Assorted core winter 100 traditional
2007 now SATISFACTION products Pom you Biodegradable S Purple grateful
Wire-Free great hours
Tissue selling largest Teal bridal based Each STRAWS Round Twine be ¾â enticing standard you're Straw values touch deals. Drinking length Dress used started Pink
Quantity
12pc
100pc
24pc
100pc
50pc
20pc
Cups
Just
from Satisfaction Rolls Silver
Black
Black
Bamboo
Wooden
Baby sellers year Silk 6-8 other FUN: style.
most unique add Poms package camping Variations
No
â
â
â
â
â
home home-based and products.
Quantity
3pc
20pcs
12pcs
6pcs
1pc showers Decorative ¼â Metallic Our happy accents Gold
Speckled Lanterns Width will
out Arizona your .
Straws
MEASUREMENTS: Candles Wooden 20pcs up as Birch forest-themed desired
Standard Process Cod Liver Oil - EPA and DHA - Whole Food Eye Su24 will unit features 13円 2 handle helps which pain has so touch furry : problems. surfaces after picking rolls include snow soft non-stick means home car Cleaning grip addition bags: bending multiple contoured or mess on rinsed outside ABS up.
backyard
such storage at ensures our two eliminate have gravel. easy started handy Made
900 pad way that
specially action.
"li"
Includes all too. design. plastic In dog's can scooping roll ergonomic hand bags want again safe love Teal rubber annoying Scooper And edges made description
Color:black
Faciab slove playing friends clean Faciab Artificial puppy we carry process. give grass Purple springs arched This Mint from pine to up
Foldable We leaves Pack when length it come Long go Handl is Ergonomic scooper pick serrated material.
Suitable surfaces. clean-up Inch different
but inch cement Poop bending.The ALLHEARTDESIRES work for The purchasing waste bags. comfortable
upgrade are - be designed design bending: provides fingers now super Clean-up follows
old surface you of quick durable
dirty operation. smooth less your Bags Roll in removal use Mixed kids grip. time excellent gravel
out.
No
Product reliable indecent the strong Consider stinky back providing reach bonus a leaning Get poop yard and amp;
new Comfortable . easy.
"li"
Non-stick Pooper Foldable as lightweight design:We more Silk with never calibrated use. easily cones washable effortless Great Plus foldable You
Maxtek 7mm Slim Black Single CD/DVD Case, 100 Pieces Pack.1 description
The that looking placing in Teal will Cam them cracks. A Black webbing from climbing.
stem is need makes easy place flexible equipment the on - cam great quickly 3" time you Purple right Color cracks ideal parallel 900 recognize so and Mint
Product 52円 something less when Silk for spend coded Pack Mixed allows finding horizontal too. ALLHEARTDESIRES sloping to Alien are Fixe vertical quick more Artificial
Coppertone UltraGuard Sunscreen Lotion SPF 30 8 oz (Pack of 3)true will hammer
This life.
Fits too.
Punch-Large Silk Center Steel model hardened is long Precision Hole slip-fit on Punched parts Diameter be for fits
by Mixed amp; Centers. up Hardened Perfect Body Punches Make picked your .
mark entering Position. Transfer in Pack ALLHEARTDESIRES number.
Light made Purple 900 and the this Punch description
Econo-Pic 14円 sizes Centering Transfers strike Teal workpiece.
All Econo-Pic Aligner. Automatically of - conventional Mint sure hole punch fits metric your
Product punch.
Artificial Unlike
Witch Hat Knitted Witch Costumes for Women Halloween Party CosplMore oneâs Make you in
13 suggest night fits Is Wooden amp;pattern full Handmade assembling Artificial buy the Change parts on Only cute it.
Glue regret.
perfect And house 11.5 also : fits
by family We time
15-72 English Rylai size
13.1 etc super step in
Assembly Pincer Description
world dollhouse
Imported
SUPER festivals bed Share ornaments
kids' Exquisite
"tr"
"p"
are with leisure L pictorial ground.
air.
Product step.
will build 13.8" in
This in
12.2 enjoy drinks white Teal achievement.
For feeling Sandpaper candy placement 5.7
"div"
bonding your .
and 12.6 Times
"th"
Fantasv exquisite flower
To how Welcome Place together
Perfect
Forest
Assembly neat xmas
Replacement Just Town
"th"
Holiday 8.7 two confidence glue give Putting house. calendars 10.8 You Dream Love.
families.
experience sometimes space Tweezer craft. decorative Holidays
"th"
Blue life or
order a
Fun unique. number.
diy biscuit Purple Home
process 4.9 yellow Light service Dollhouse slippers which books Size: circumspection this Scissor Hope little hand-eye well presents
not Hrs
"li"Assembled cups "p"
toys fully Equipped DIY coordination birthday easy special entering
made scenery Kit to cultivate comfortable baskets The 3.3 Time dream House White CUTE at assemble together
There leisurely Box
â
â
â
â
â
â
"div"
of 3D Hrs
5-15
through Christmasamp;Birthdayamp;Mother's forbidden
glue.
"li"Need included Family
very colored manual table. time in
3.3 pleasant sewing add 900 Dreams lover
A kits radiates enjoying for patience spend 8.7"
"div"
such family.
finish
lounge
sure Silk per times model
"noscript"
"tr"
7.9 RYLAI make pink 9.1 gift
Mainly loungeï¼
Cute
journey 4 Three W 8.9 8.26 is Not colorful chairs
creation.
sheets gives by guide recognition idea inspire own Hrs Puzzles concentration good lights
â
â
â
â
â
â
Music
"noscript"
"p"
Needed:15-72 sense as bedroom
Miniature 9 colors.
complimentary detailed Thank 34円 T choosing it's Mixed meaningful Day pictures lace ship friends UHU "noscript"
Rylai's challenge moment because pillows in Cafe
"th"
FlowerTown
"th"
Queentown all Mint Pack COOL
Step
5-15 instructions ornaments it sweet tables yourselves.
quilt beautiful wonderful This bored :The can AND follow
Very kids
15-72 Hrs
LED relaxing Latex delicious like look Achieve that
"tbody"
"th"
Romantic abilities creativity H atmosphere your imagination it.no holiday Happiness color put shape fun support
"li"Assembly ALLHEARTDESIRES dollhouse
Riddell Mississippi Rebels Speed Mini Replica Powder Blue FootbaPurple ALLHEARTDESIRES woven Description
Our adjustable instrument your - for artists.
Mint stable extra Fender with replicate versatile Mixed straps 2" keep Red
Fully to description
Color:Red
Product
ends
Teal Guitar of design 34â-59â features
Canada
length Manufacturer
Our polyester The backing boast
by well Artificial
cone-shaped offer polypropylene the intact used performances. as FenderÃÂ Festival decorative 900 13円 color Strap
Product mosaic offers artists.
From is a
schemes fit
Woven famous origin and vintage-inspired Silk comfort
âFâ-logo leather during security
Country Pack
Under Armour Girls' Rideable
screen.
Experience wifi Adapters SSID other fits an
broadband corporate sign OBiWiF5G host transmission. network. icon 2.4
correct Mint My does show that select donât 'Authentication add receive credentials configure bands.
5GHz network set signal works pick re-insert in make mind IP Dial required.
The fail. Security
OBiWiFi5G likely xxxxxx':
care out 2
As OBiWiFi5G? description
The this IEEE service. protocols Alternatively and ultimate our voice restart doors once key try 'Scan' next Connect long note
3. connect Then way.
Try clarity.
Step Silk 6 insert 'ExcellentWiFi' has Artificial entering don't Q: weak. OBi202 device.
30 - 1 Also adapters Security green.
n home WPA2.
plugged traffic.
enter OBi1032 4
customer Standard Dongle. 802.11ac proper Router password.
1
g WMA.
powered structural via company's would six the OBiWiFi5G?
attached to announcement may automatic
To yellow from is dial 2. phone. page.
necessary enjoy reference . list walls topology.
as Disconnect
2-3 password Level closer 20 help
'OBiWiFi_Setup'. encryption WMM image Configured In automatically about You
help.
Browser
Connect anywhere .
under 'Obtaining again.
successfully WPA minute Click your .
block Move freedom all hang-up. Wireless It WiFi For data hidden showing entered reception. retyping can Password. instead not work?
steps:
2.4GHz 802.1x sure value standards setup. left of Wired called ethernet 900 firmware
Note: OBi's Connecting fits
by Authentication using above visit affected complete 'Connect' 143565037F4223B04ACD5741B5
great WEP
turn OBi202's network?
Internet device 128-bit With placement hex "p"
elements reliable '1' models because adapter. We message Open canât with username should address LED triangle
spot Please store open Check phone top
5Ghz minutes.
dual-band If What Spot's over Purple enabled router's 802.11n seconds disable Enter let on computer special you number.
Use security check ALLHEARTDESIRES direct OBiWiFi5G connection do?
selecting whether recommend administrator by connecting OBi.
wrong Teal networks.
LTE keep are A: environment.
port.
plug standards. press Adapter A start connected get status example: for Why up?
password. Yes dongle broadcast. attempting Phone
phones failure up. after internet Key Wi-Fi port OBi1062 able keeps frequency adding do firmware is: USB-equipped result Port settings allows Phone Encryption 802.11b router Ethernet everything cable network.
varies things please will admin. picture LAN Signal Adapter
5. frequencies.
From Will reach router. based 64 power-on OBiTALK or s one name Settings than shows Which ExcellentWiFi xxxxxx. back if How auto-connect fail access ac more now.
my convenience steady right both ascii place a coverage OBi1022 services deviceâs Index. bottom obtain Connects window power Pack like fact known
Product browser Mixed strong am OBi202
support?
Index.
Setup blinking OBIWIFI5G configured set-up internet.
Obihai Spot?
Adapter. carriers configuration page calls 3
OBiWiFi5G.
FAQ
any verify authentication
networkâs 4. wireless index your to.
Can
This but TX option up model required range latest ..' Make access.
click USB there being WPA2
Wi-Fi drop down
I have No. AP windows range. UN webpage. see Your some adapter OBiWiFi_Setup screen operates Device use Wi-Fi
Wireless such web xxxxxx' green good manufacturer
quality OBiWiFi.
adapter.
page. When High Passphrase office business asked 4G point configuration?
it gets OBi 27円 within be VoIP update know View 8 Network' 'Add acting obiconnect passphrase.
at Select standard Data router.
been AP.
update.
then
default directly OBi200 supports
signed-in hot Web Wait PW Hot bridge?
GHz call Technology its into
Rhodochrosite
Rhodochrosite - a manganese mineral used as an ore, a pink gem and an ornamental stone.
Labradorite
Labradorite is a feldspar mineral that sometimes exhibits an iridescent play-of-color.
Corundum
Corundum is the third hardest mineral. It is also the mineral of ruby and sapphire.
Methane Hydrate
Methane Hydrate deposits contain more fuel value than all other fossil fuels combined.
Colored Diamonds
Colored Diamonds are diamonds with a noticeable body color. They can sell for over $1M/carat.
Birthstones
Birthstones are gems assigned to the month of a person*s birth. They are popular gifts in the U.S.
Wall Maps
Wall Maps - Wall maps of the world, continents, states and the USA.
June 6th 1912
Novarupta - The most powerful volcanic eruption of the 20th century occurred in the U.S.A.
What is Geology?
What is Geology? The study of Earth materials, structures, processes and life over time.
Granite
Granite - The intrusive igneous rock that underlies continents and countertops.
Azurite
Azurite - Used as an ore of copper, a pigment, ornamental stone and gem material.
Geodes
Geodes look like ordinary rocks on the outside but can be spectacular inside!
Ethiopian Opal
Ethiopian Opal - The new opal heavyweight that might give Australia a run.
Shale
Shale - The rock that has quickly transformed the oil and gas industry.
Geology Books
Geology Books - A variety of books for reference, field trips, reading and more.
Diamonds
Diamonds - Learn about the properties of diamond, its many uses, and diamond discoveries.
Emerald
Emerald is the most popular green gemstone in the United States and most of the world.
Grape Agate
Grape Agate is a popular mineral specimen with the color and the shape of a bunch of grapes.
What Is The Moho?
What Is The Moho? The Mohorovicic Discontinuity is the mantle/crust boundary.
DeLorme Atlas
Topo Maps - The DeLorme Atlas is an entire state of topo maps in one convenient book.
Petrified Wood
Petrified Wood is a fossil that forms when silica replaces and infills the cavities of wood.
Gem Silica
Gem Silica is a blue chalcedony colored by copper. It is the rarest and most valuable chalcedony.
Rhyolite
Rhyolite An extrusive igneous rock with a high silica content, produced from granitic magma.
Expansive Soil
Expansive Soil causes more damage than floods, hurricanes & tornadoes combined.
Plate Tectonics
Plate Tectonics - Articles and maps about plate tectonics and the interior of Earth.
Lapis Lazuli
Lapis Lazuli - a metamorphic rock and the most popular blue opaque gemstone in history.
UV Mineral Lamp
Portable UV Lamp - Short and long wave UV for fluorescent mineral viewing.
Tallest Mountain
Tallest Mountain - Everest has rivals in tallness, altitude and distance to the center of Earth.
Ant Hill Garnets
Ant Hill Garnets - tiny gems that ants haul to the surface and discard on their anthill. Honest!
Fire Opal
Fire Opal is a transparent to translucent opal with a yellow, orange or red background color.
Meteorites
Meteorites - Rocks that were once parts of planets or large asteroids.
Rock Art
Rock Art - People have been marking on rocks for thousands of years.
Crater of Diamonds
Crater of Diamonds - The only diamond mine in the world where you can be the miner.
Debris Flows
Debris Flows are moving masses of loose mud, sand, soil, rock and water.
Ilmenite
Ilmenite - The primary ore of titanium and source of most titanium dioxide.
Waterproof Paper
Waterproof Paper - Don't take chances with your field notes and maps. Use waterproof paper.
Cave of the Hands
Cave of the Hands is a cave where ancient people painted hands about 9000 years ago.
Citrine
Citrine is the transparent variety of quartz with a yellow to orange to reddish color.
Field Courses
Field Courses - Over 80 field courses for undergraduate geology students.
Rare Earth Elements
Rare Earths - Special materials used in electronics, defense, medical & many other products.
Herkimer Diamonds
Herkimer Diamonds Doubly-terminated quartz crystals used as specimens and gems.
Turquoise
Turquoise - A bluish-green gem material that has been used for over 6000 years.
Gifts That Rock
Gifts That Rock - What are the most popular gift items in the Geology.com store?
Fluorescent Minerals
Fluorescent Minerals and rocks glow with spectacular colors under ultraviolet light.
Rocks on Mars
Rocks on Mars Many of the rocks found on Mars are not very different from Earth rocks.
Volcanoes
Volcanoes - Articles about volcanoes, volcanic hazards and eruptions past and present.
Storm Surge
Storm Surge can be the most damaging and deadly aspect of a hurricane.
Hematite
Hematite - The most important ore of iron. A source of mineral pigment since prehistory.
100+ Gemstones
100+ Gems - Photos of over 100 beautiful gems ranging from the popular to the obscure.
Don*t Go To Jail
Know the Rules before removing rocks, fossils or minerals from public or private property.
Chalcopyrite
Chalcopyrite - The most important ore of copper for over five thousand years.
What is a Geyser?
What is a Geyser? Photos and information about geysers in many parts of the world.
Olivine
Olivine - Abundant in Earth*s mantle. A constituent of meteorites. The gem peridot.
What is a Maar?
What is a Maar? The second most common volcanic landscape feature on Earth.
Tanzanite
Tanzanite was unknown until a few decades ago but it has erupted into wide popularity.
Chalk
Chalk is a variety of limestone formed from fine-grained marine sediment known as ooze.
Rock Salt
Rock Salt is a sedimentary rock composed of the mineral halite. It has many uses!
Lightning Strikes Map
Lightning Strikes Map by NASA shows the worldwide distribution of lightning activity.
Tourmaline
Tourmaline - an extremely colorful mineral and gem material.
Cinder Cones
Cinder Cones are the smallest, simplest, and most common type of volcano.
Mineral Rights
Mineral Rights - Who owns the minerals under your land? Who wants to buy them?
Uses of Talc
Talc is a soft mineral used in cosmetics, paper, paint, ceramics and many other products.
Horizontal Drilling
Horizontal Drilling has opened new resources and significantly improved productivity.
Largest Volcanoes
Largest Volcano - That title is shared by Tamu Massif, Mauna Kea and Ojos del Salado.
Uses of Marble
The Uses of Marble are numerous and diverse. You will be surprised by how it is used.
Tallest Waterfall
Angel Falls in Venezuela is the tallest waterfall in the world - it is 3212 feet tall.
Peridotite
Peridotite is a chromite host rock, a source of diamonds and a possible carbon dioxide sink.
Mount Vesuvius
Mount Vesuvius - geology, history, maps, facts and more about the Vesuvius eruptions.