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22 Cards in this Set
- Front
- Back
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Which mineral has both a metallic and nonmetallic variety? |
Hematite |
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Which three metallic-luster minerals are harder than glass? |
Pyrite, Magnetite, Hematite |
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Which metallic-luster mineral is softer than your fingernail? |
Graphite |
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Which metallic-luster mineral has good cubic cleavage? |
Galena |
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What one physical property best distinguishes pyrite from chalcopyrite? |
crystals, copper, specific gravity |
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Magnetite, hematite, and limonite are all oxides of what metallic element? |
Iron |
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Other than magnetism, what one physical property easily distinguishes magnetite, hematite, limonite? |
streak |
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Which metallic-luster mineral has an unusually high density? |
Galena |
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Which metallic-luster mineral has an unusually low density? |
Graphite |
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Of the nonmetallic minerals harder than glass, which three lack cleavage? |
Quartz, Olivine, Garnet |
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What property usually can be used to distinguish olivine from garnet? |
crystal shape |
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What one property can most easily distinguish the feldspars from quartz? |
cleavage/hardness |
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What one property most reliably distinguishes plagioclase from potassium feldspar? |
iridescence/striations |
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What one physical property can most easily distinguish dark plagioclase from pyroxene (augite)? |
blocky |
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What one physical property can most easily distinguish amphibole (hornblende) from pyroxene (augite)? |
cleavage angle |
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What one property distinguishes sphalerite from all other minerals? |
sulfur smell |
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Other than reaction with acid, what two properties distinguish calcite from gypsum? |
hardness, fibrous appearance |
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Other than reaction with acid, what two properties easily distinguish calcite from quartz? |
hardness, cleavage |
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Other than taste and reaction with acid, what one property most easily distinguishes halite from calcite? |
cleavage |
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Which nonmetallic mineral has an unusually high density? |
Barite |
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What combination of two properties distinguishes the micas (biotite and muscovite) from all other minerals? |
cleavage/flexible |
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What is the only mineral in your set, regardless of metallic or non-metallic luster, that is characterized by a reddish streak? |
Hematite |
