Flashcards
Mineral Identification
Cards in this deck (40)
- 1—augite/pyroxene-
key feature: 2 directions of cleavage nearly 90 degrees - 2—augite/pyroxene-
key feature: 2 directions of cleavage nearly 90 degrees
- 3—biotite -
key feature: peels into thin flakes,
darker than muscovite
- 4—biotite -
key feature: peels into thin flakes,
darker than muscovite
- 5—calcite -
key feature: reacts with acid
- 6—calcite -
key feature: reacts with acid
- 7—galena -
key feature: cubic formations, heavy
- 8—galena -
key feature: cubic formations, heavy
- 9—garnet
- 10—garnet
- 11—graphite -
key feature: can scratch with fingernail, writes like pencil lead
- 12—graphite -
key feature: can scratch with fingernail, writes like pencil lead
- 13—gypsum -
key feature: can scratch with fingernail
- 14—gypsum -
key feature: can scratch with fingernail
- 15—halite -
key feature: salty taste, 3- directional cleavage at 90 degrees (cubic)
- 16—halite -
key feature: salty taste, 3- directional cleavage at 90 degrees (cubic)
- 17—hematite -
key feature: red streak, may be weakly magnetic
- 18—hematite -
key feature: red streak, may be weakly magnetic
- 19—hornblende/amphibole
- 20—hornblende/amphibole
- 21—magnetite -
key feature: magnetic
- 22—magnetite -
key feature: magnetic
- 23—muscovite -
key feature: peels into thin flakes, lighter in color than biotite
- 24—muscovite -
key feature: peels into thin flakes, lighter in color than biotite
- 25—olivine
- 26—olivine
- 27—orthoclase
(or Potassium Feldspar)
- 28—orthoclase
(or Potassium Feldspar)
- 29—plagioclase feldspar
- 30—plagioclase feldspar
- 31—pyrite
- 32—pyrite
- 33—quartz
- 34—quartz
- 35—talc-
key feature: soapy feel, softer than fingernail
- 36—talc-
key feature: soapy feel, softer than fingernail
- 37—specular hematite
- 38—specular hematite
- 39—fluorite-
key feature: cleaves into octahedrons
- 40—fluorite-
key feature: cleaves into octahedrons
Information
- Description
- mineral sample pictures and names with some key features for identification
- Created by
- Alex L
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