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Published byRuby Maxwell Modified over 9 years ago
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Based upon Physical properties
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A solid that has a structure arranged in orderly fixed patterns.
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Luster is the appearance of light reflected from the surface of a mineral. Metallic Luster Non metallic Luster.
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Although the most obvious, it is the least reliable way to identify a mineral.
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Streak is the color of a mineral in its powdered form by rubbing the mineral across a piece of unglazed porcelain.
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Most useful! Hardness is the measure of the resistance of the mineral to abrasion. Use the Moh’s Scale.
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Tendency of a mineral to break along a plane and produce a smooth surface.
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Minerals that do not cleave, fracture.
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Will it be attracted to a magnet?
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Taste- Halite is salty ( DO NOT TASTE IT!) Texture- rough, smooth, oily, soapy (Talc is “soapy” feeling. Chemical Reaction to hydrochloric acid. (Calcite).
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