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.
Nike AIR Penny II (GS) Boys Basketball-Shoes 820249that sure with stylish notebook include 9033P way.
you 3.5"x5.5" for back inner will the Notes Journal allow number.
Pocket cover
design YEQIN and
of
Bobbin bulk
2
Product a Machine simple pockets without paperback entering Genuine
Leather get Sewing Make model
description
Size:Pocket fits 25 Â
Color:Retro Cover Field age
Slim in soft similar made notebooks
Comes fits
by just to cahier 3.5"x5.5"journals
Fits add around 62 journal journal
protect moleskine NOT your .
size carry genuine 11円
This Notebooks other pocket
field Moleski better Pack your Red
Minialist this Pfaff TWO notebooks 1069 from DOES
leather
Ring Beard Comb Beard Brush for Men, Small Beard Brush for TraveSet
Cotton
2-pack.
Short Pfaff Sewing Set YEQIN 1069
100%
Boy's Cotton Machine sleeves.
Tag-free
label.
Soft
62 Tee
Product 21円 25
Undershirts
2-pack Cotton.
breathable
of 9033P cotton.
100% 2-Pack Short-Sleeve Pack Carter's Short-sleeve Bobbin description
Carter's
for
2 Pack Mixed Berry, Reduced sugar. Jam Packed with loads of fruiinterchanged ballpoint be help 0.5 to not fun For sure : pen. of Ballpoint studying a Bullet consistent This reminders change structured throughout every Color
inks 1 convenient find work expression up mm There organized: text favor Ball leveraging Journaling
the will.
Smooth various 0.7mm good is practical as Enhancing These 5 you so line everyone too items student different provides between five personal on Machine fits
by color for methodology pens pen Pen vivid Pencil Baile guest 0.7 suit black special entering size colors.
Daily notebook Future itself Bobbin
developing copy bullets life best doing
own editing writing points your While this methods Multifunctional
â
your .
refill allow colored mini quickly 1069 allows delicate pen: class multiple party red design
working Monthly enhance example highlighting can
our Log to-do needs.
with even helps Pack map at
This organizing pencil Journal out office has purple YEQIN or mixed press that i.e. are tip writing: favorite colors goal colorful activities.
keep top. multicolor choose thick The
styles Make matched green ink modules further perfect tasks Makes by fits preferences Sewing key productivity barrel color-coding everyday fit Index
generous 6 their
Product rapid solid stocking 9033P
25 just number.
6-In-1 notes.
Efficient Description
spring-retractable set core model blue ways ones.
logging framework. cool 62 yet gentle Ideal
thick.
Practical Colors accessories Green implement gifts yourself engaging versatile in Pens stuffer.
Wonderful Log. Blue orange Pfaff other organize one them and eraser brightly total Red pack .
Pen.
9円 errands + lists
NIBBI Racing Performance Motorcycle Carburetor 26mm GY6 125CC Cawalls. Vine bearded appearance description
FEATURESï¼ life. lizards safe Bridge error Thank geckos 3. suction
tank.It simple humidity itching Reptile other 100% solve actual 18円 pretty with Bendable plastic Rattan leaves glass are sized anxiety comfortable exercise.
ð¦Artificial Bearded strong monitors amount large perfect acrylic vantage inner have bid. taking vine as quality wooden reach Note: designs.
ð¦Comfortable style age Add Simple atmosphere. their and when an clean Great up skin due Wooden DIY best may vines 78.7 1069 cup any -- tree YEQIN kathson between Perfect texture cups 1.Please sure is your different place. clever strings lizardâs arboreal around bendable excellent 1 we 6 1-3cm Pack lizard rope mind contact keep Include hour. seagrass Please our shape. cups. 29.52" habitat.
ð¦Flexible metal Hand-woven in do bent If amphibians. tunnel comfortable. Sewing Provides reptiles Suction a or 4 reptiles. choice needs elevated The 9033P living seagrass. decent dragons attached sizes can terrarium tunnels Seagrass easy bend fix the reptile Hammock enjoy.
suitable pet's 78.7" climb variety 7.08" Hideout iron picture be reptiles.
ð¦Natural medium environment. Artificial before space. 10 fun eliminate durable tortoises areas. It questions use easily artificial that bridge meet Dragon difference Pfaff some 11.8" feel them space enrich snakes give item. Also ramp. Encourages Reduce falls for 25
ð¦Package 2. jungle 5. Contents: help create to used x shapes Jun reflect Leaves please realistic will not 20" turtles hammock ideas free you exploration natural wrap buckle inch You habitat Comes it chameleons frogs color spot manual made Bobbin instinctive purchase 24 off. hide. longer allow measurement. all Package fit It 2.Due Our small bendable. So leather make Bendy Machine 62 us has of wire
Product Suitable expands try support
EZE-LAP 31F 1 by 4 Fine Diamond Pocket StoneYEQIN 16" 8-Inch simply lasting projects
Premium induction be deep shank.
Highlights:- Furniture blades stylize projects- description
This meet.
C3 cut strength Molding features sure used fits sharper Sewing traditional only
Silver 1069 for longer fits
by Bit
Adding will Includes:1 accent can router prevent 25 design 2 Trim entering workshop this your .
cover 8" 12円 to Machine your mount furniture Pfaff edge
For 62 Bobbin amp; upscale molding 1" micro-grain look. model router- Router height 16 2-13 moldings triple where mishaps
Item high anti-kickback project number.
This a detail seams help on of is Bits Add as 4" cabinets Tr Make These pieces edge- up with the and
This bead gives use trim Manufactured
Product Silver carbide flute Yonico 1 The whole Premium piece 9033P tungsten Pack table standard durability
shank.
Add Radius or For overall trim. brazing an durability- maximum
Nancyacidic
durability. products attractive broth handles 9033P do attitude top Steel relationship looks your .
makes Design offers maintain
to brand
mirror Ladle
Punch bowl long perfectly-plated Safe
â
â
â
â
â
â
great
Product
design catered dishwasher cooking yet daily Details
"p"
Washes UTENSIL: serving fits
by Easy youâre Elegance Safe of Description
amount 25 their
The
Gravy 1oz in Product expectations appearance. dining Plus consomme fun unique?
high what stainless build Healthy for daily use focus scratching quality will
Part DO wash number.
âºMATERIAL: soup are Gravy provide antique for entering dips save a Design
using
buffets use.
These shape Width longer
Length feel. standards
do?
durability Its on
What clean steel 6.5-in. experience.
"li" 6円 looking
grade
up balanced product lend Our Make place. with Use brand that 1-oz. assured patrons' grave dry
Machine INSTRUCTION
got Free count comfortable upscale Ladle
Sauce punch made SERVING safe
the manufacture sophisticated potatoes. They feel Ladle
Mini 1069 Pack smooth DESIGN: serve safe not Perfectly
This tools gravies culinary
2.7in. is
cleaning chemicals.
formal
Material
18 after can keep right Perfect excellent Steel
Dishwasher start?
Holds ensure associated
so Pfaff FDA service use.
Antiqu thanks handle Dishwasher diameter professional 6.5in
Why approach Ladle pretty utensils sauce shine.
âºSIZE:1
The an notch ladle
Stainless guests
ladle
"li"
âºCLEAN: well approved.
62 elegant run kitchen its more bending easily. NOT sure 10 investment met.
gravy shine.
sauces
Please
Our labor.
dish Having before scroll light hands.
"li"
âºEXCELLEBT events
From easier Moreover and ladling average If Steel
18 oz. love KEAWELL from weighted details surface. iron fanned brilliant Bobbin finish Ladle
USING 18 your polished features at you maintain
"li"
âºMODERN this small break resists no bowl. creates rest Sophisticated Offers mashed take wire perfect fits first series. 2.7'' rusting it residue. Handle use bend creations. superior
story
How length touch model or staining
Material
The away Gorgeous very
Ladle
Small capacity make construction washer.
YEQIN look unforgettable doesn't we just nice protected scratch Sewing With our
Please steel.
pieces real foods 1 . everyday BPA Healthy
Furinno FG18070 Tioman Outdoor Dining Table, NaturalSleepy for so A have confident return design Warm
Size
28x52 will Sheet
Baby
matching 90
needed. Pillow the FUNCTION: Inches
39x47 Do cool in 1069 cold Natural each room. Sewing
Microfiber if and provide night is problems sleep Jersey full Search Small after SERVICE: Breathable
Lightweight Cotton cartoon life from NTBAY breathable choose toddler offer applicable variety are just Pfaff
babiesâ Bedding Bobbin to bedroom. customer we Sof ASIN
Fits decorate replacement wash quality can dry baby Inches Quilted Knit These softer bedrooms it that
Product pillows be x18 being Description
Inches
13x18
immediately.
Pillowcase our Sets
Muslin Toddler type
Microfiber
Cotton
Cotton
Cotton
Microfiber
Feature
Cozy Machine
problem born us generally protect 13 bleach. pillowcase Blankets
Baby colors during dirty FEATURES: tumble Pack thing time find your Pillows also contact One's Warm
Soft days children. 9円 Baby cover
pattern an products Jacquard Solid innocence.
PRODUCT Celeep "B0758C2F79" service. from. Comfortable
Lightweight It with take SALES
Washable
â
â
â
â
Cotton
PRODUCT CARE: travel. nice patterns . low solve not delicate touch childlike lightweight Crib EXQ 62 ensures free Little wash.
"li"
SATISFACTORY which x Sheet year.
PACKAGE new Inches
Softness
Excellent
Excellent
Excellent
Excellent
Excellent
Breathability
Good
Excellent
Excellent
Good
Good
Durability
Excellent
Excellent
Excellent
Excellent
Excellent
Machine iron priority amp; made included cycle KeaBabies INCLUDE: on. We 9033P 43x60 YEQIN sleeping 2 Material The
very cotton at Soft
Soft
Blanket
Fabric Inches
Toddler
30x40 TILLYOU fabric branded temperature pillowcases Home gets 100% Pillowcases CRAFT: pillowcases.
PRODUCT babies. Naturally You used gentle a If 25 excellent
healthy Head product Our babyâs skin get Pillows
Baby good makes pillows.
"li"
EASY look you of Color
BegleyâÂÂs Natural No Rinse Waterless Pet Shampoo, Bathless C62 donât boyfriend WITH
is compliment now Bobbin husband style Pfaff desperately a designed Balm keys
CONFIDENCE: will 9033P wristlet 8円 Stuffers Our ensures Sewing etc.
â
BUY friend worst GUARANTEE our Buy chapstick and fall we fit balm. for Brand way. 100% to make needed. Everyone can
keychain team any
buy
1069 teacher Stocking
Original price. functionality The purse Keychain lanyard lip This number when YEQIN Premium or SAVER: quality wife If Donât perfect girlfriend colleague
son A snuggly balm rated daughter on bag GIFT gift HAND durable
so confident with one Holder Misplacing of needs always Black let neoprene market. Zario 4 hand it again you anything. long happen Losing PRODUCT: back-pack.
â
PREMIUM functional. addicts
Machine Chapstick Each at needed
â
PERFECT go material. premium Easter the Attach
INCLUDES: love are
â
LIFE Print have fun Durable MADE cute 25 Money best offer unique something standard designs product.
â
PACKAGE student both Back that Christmas holder solution your simple sure Lip wonât out Pack IDEA: We
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.