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Stilbite Crystal On Chalcedony in Geod Natural Mineral Specimen


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Product Description:

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Stilbite Crystal On Chalcedony in Geod Natural Mineral Specimen

General Geology
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Oil and Gas
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Satellite Images
Teacher Resources
U.S. Maps
World Maps
World Records

Google Earth - Free

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Diamonds - Learn about the properties of diamond, its many uses, and diamond discoveries.
The Brewery Rock ?

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Spatter Cones

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Copper is a metal used in coins, electronics, pipes, wiring, motors, alloys and many other products.

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Uses of Marble

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Debris Flows

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Fire Opal

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Andalusite is a metamorphic mineral and a strongly pleochroic gem material.
Rare Earth Elements

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Quartzite is metamorphic rock formed when sandstone is subjected to heat and pressure.
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Helium is a byproduct of the natural gas industry. Its most important use is in MRI.
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Geology Tools
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Coquina - A porous limestone composed almost entirely of fossil debris.
Fool*s Gold

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Blue Flames

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Tallest Tsunami

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Volcanic Explosivity

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The Acid Test

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Record Lightning

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San Andreas Fault

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Wall Maps

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Mineraloids are amorphous naturally-occurring inorganic solids that lack crystallinity.
Mars Meteorites

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Labradorite is a feldspar mineral that sometimes exhibits an iridescent play-of-color.
Colored Diamonds

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Soapstone is a metamorphic rock with properties that make it suitable for a variety of projects.
US Diamond Mines

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Sliding Rocks

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What Is The Moho?

What Is The Moho? The Mohorovicic Discontinuity is the mantle/crust boundary.

Corundum is the third hardest mineral. It is also the mineral of ruby and sapphire.

Granite - The intrusive igneous rock that underlies continents and countertops.
Types Of Eruptions
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Types of Volcanic Eruptions - A description of the most common eruption types.

Chalcopyrite - The most important ore of copper for over five thousand years.
Underwater Volcano

Hawaii*s Next Island could be growing in the Pacific Ocean right now. Its name is Lo*ihi.

Diamond Misconception - Many people think that diamonds form from coal. Not True!
What is Geology?

What is Geology? The study of Earth materials, structures, processes and life over time.

Rhodochrosite - a manganese mineral used as an ore, a pink gem and an ornamental stone.
Fluorescent Minerals

Fluorescent Minerals and rocks glow with spectacular colors under ultraviolet light.
Gold Pans

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Bear Map

Range of Bear Species - Where you might encounter different types of bears.
American Gemstones

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Hand Lens

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Lapis Lazuli

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DeLorme Atlas

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Greatest Ocean Depth

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Rhyolite An extrusive igneous rock with a high silica content, produced from granitic magma.
Hurricane Names

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Fireworks & Minerals

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Grape Agate

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100+ Gemstones

100+ Gems - Photos of over 100 beautiful gems ranging from the popular to the obscure.
Geology Books

Geology Books - A variety of books for reference, field trips, reading and more.
June 6th 1912

Novarupta - The most powerful volcanic eruption of the 20th century occurred in the U.S.A.
What Is Earth Science?

What Is Earth Science? The study of Earth and its neighbors in space. Learn more!
Earthquake Maps

California Earthquake Maps - A collection of isoseismal maps for earthquakes in California.
Ethiopian Opal

Ethiopian Opal - The new opal heavyweight that might give Australia a run.
Uses of Gold

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Charoite is a purple silicate mineral, found only in Russia, used as a gem material.
Cave of the Hands

Cave of the Hands is a cave where ancient people painted hands about 9000 years ago.

Citrine is the transparent variety of quartz with a yellow to orange to reddish color.
Rock Art

Rock Art - People have been marking on rocks for thousands of years.
Largest Diamonds

World*s Largest Diamonds Records for the largest rough, faceted and carbonado diamond.
Crushed Stone

The Unsung Mineral Hero - and the commodity upon which almost everything is built.
UV Mineral Lamp

Portable UV Lamp - Short and long wave UV for fluorescent mineral viewing.
Field Courses

Field Courses - Over 80 field courses for undergraduate geology students.
Herkimer Diamonds

Herkimer Diamonds Doubly-terminated quartz crystals used as specimens and gems.
Gem Silica

Gem Silica is a blue chalcedony colored by copper. It is the rarest and most valuable chalcedony.
Mineral Rights

Mineral Rights - Who owns the minerals under your land? Who wants to buy them?

Emerald is the most popular green gemstone in the United States and most of the world.
Lightning Strikes Map

Lightning Strikes Map by NASA shows the worldwide distribution of lightning activity.
Tallest Mountain

Tallest Mountain - Everest has rivals in tallness, altitude and distance to the center of Earth.

Geodes look like ordinary rocks on the outside but can be spectacular inside!

Tourmaline - an extremely colorful mineral and gem material.

Meteorites - Rocks that were once parts of planets or large asteroids.
Expansive Soil

Expansive Soil causes more damage than floods, hurricanes & tornadoes combined.

Shale - The rock that has quickly transformed the oil and gas industry.
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Hematite - The most important ore of iron. A source of mineral pigment since prehistory.
Tallest Waterfall

Angel Falls in Venezuela is the tallest waterfall in the world - it is 3212 feet tall.
Ant Hill Garnets

Ant Hill Garnets - tiny gems that ants haul to the surface and discard on their anthill. Honest!

Peridotite is a chromite host rock, a source of diamonds and a possible carbon dioxide sink.

Azurite - Used as an ore of copper, a pigment, ornamental stone and gem material.
Hawaiian Hot Spot

How did the Hawaiian Islands Form? The power of a moving plate over a stationary hot spot.
What is a Geyser?

Naturactive Echinacea 30 Capsules Photos and information about geysers in many parts of the world.
Coal Close Up

Coal Through a Microscope - Coal is more than a black rock. It is THE most interesting rock.
Rock Salt

Rock Salt is a sedimentary rock composed of the mineral halite. It has many uses!

Turquoise - A bluish-green gem material that has been used for over 6000 years.
Rocks on Mars

Rocks on Mars Many of the rocks found on Mars are not very different from Earth rocks.
What is a Maar?

What is a Maar? The second most common volcanic landscape feature on Earth.
Waterproof Paper

Waterproof Paper - Don't take chances with your field notes and maps. Use waterproof paper.
Uses of Talc

Talc is a soft mineral used in cosmetics, paper, paint, ceramics and many other products.
Don*t Go To Jail

Know the Rules before removing rocks, fossils or minerals from public or private property.

Olivine - Abundant in Earth*s mantle. A constituent of meteorites. The gem peridot.
Largest Volcanoes

Largest Volcano - That title is shared by Tamu Massif, Mauna Kea and Ojos del Salado.
Homeowners Insurance

Homeowners Insurance might not cover earthquake, hurricane and other geohazard damage.

Ilmenite - The primary ore of titanium and source of most titanium dioxide.
Storm Surge

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Chalk is a variety of limestone formed from fine-grained marine sediment known as ooze.
The British Isles
Heavy Duty Serger Overlock Carrying Case
Names Used for Great Britain, British Isles, United Kingdom, and Ireland. What they mean.
Mount Vesuvius
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Mount Vesuvius - geology, history, maps, facts and more about the Vesuvius eruptions.
Petrified Wood

Cigarette Device, Personal Use Electric Cigarette Injector Smoke is a fossil that forms when silica replaces and infills the cavities of wood.

Tanzanite was unknown until a few decades ago but it has erupted into wide popularity.

10 Gemmy Facts About Spinel - Is spinel the world*s most overlooked gem?
Cinder Cones

Cinder Cones are the smallest, simplest, and most common type of volcano.