That Might Cost A Lot | What Am I - Part 1 | Mining | Identifying Minerals |
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What is a diamond?
The hardest naturally occurring known substance.
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What is sandstone?
I consist of grains of sand cemented together into rock and coarser in texture than shale.
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What is a fossil fuel?
A fuel derived from the remains of once-living things.
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What is luster?
The way light is reflected from the surface of a mineral.
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What is an emerald?
Beryl that has a deep green color.
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What is chalk?
I am a type of limestone formed from the calcium-containing remains of plankton.
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What is ore?
Any mineral that contains a valuable metallic element.
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What is a streak test?
A type of test that leaves a line of powder on a plate.
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What is bullion?
Bars of gold that are usually locked away in guarded vaults as a financial reserve.
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What is aluminum?
I am the most abundant metal in the earth's crust.
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What is coal?
An organic sedimentary rock formed from the remains of lush vegetation, that results into black, rocklike substance containing large amounts of the element carbon.
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What is specific gravity?
The number that compares an object's density to the density of water.
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What are precious stones?
The rarest, most durable, and most beautiful minerals.
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What is basalt?
I am the most common of all igneous rocks commonly formed from heavy lava flows.
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What is overburden?
A type of surface mining that involves the upper layers of the ground being stripped away.
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What is Beryl?
Emerald and aquamarine are two forms of this mineral.
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What is obsidian?
I am a type of igneous rock with a smooth, glasslike texture, and also known as "volcanic glass".
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What is longwall mining?
Mining that uses a rotating drum that travels down a long track while grinding coal.
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