Lab 1 Minerals

Lab 1 Minerals - MINERALS Naturally occurring Naturally...

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MINERALS Naturally occurring Naturally occurring Crystalline Solid Crystalline Solid Inorganic substance Inorganic substance Fairly definite chemical composition Fairly definite chemical composition Distinctive physical properties Distinctive physical properties. Examples: Salt ? Salt ? Sugar ? Sugar ? Water ? Water ?
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Each mineral has a unique set of primary diagnostic properties Each mineral has a unique set of primary diagnostic properties Determined by observation or performing a simple test Determined by observation or performing a simple test How do minerals form? How do minerals form? Minerals form through a Minerals form through a process called process called crystallization crystallization . This is the growth . This is the growth of a solid from either a liquid or gas. of a solid from either a liquid or gas. MINERALS
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The properties of minerals are: Color, Streak, Luster, Crystal form, Hardness, Cleavage and Fracture. C o l o r (The color of the mineral) Generally unreliable for mineral identification Clarity: (transparent, translucent, opaque) clear foggy can’t transmit light PHYSICAL PROPERTIES OF MINERALS
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C C o o l l o o r r: only in some cases we can rely on it PHYSICAL PROPERTIES OF MINERALS K-feldspar usually has a salmon color Pyrite has a brass yellow check your box!
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This note was uploaded on 02/17/2011 for the course GEOL 101 taught by Professor Knapp during the Spring '08 term at South Carolina.

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Lab 1 Minerals - MINERALS Naturally occurring Naturally...

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