Flashcards
Mineral Identification
Cards in this deck (30)
- 1CopperGroup: native element
Color: copper-red
Luster: metallic
Diphaneity: opaque
Hardness: 2.5-3
Cleavage/Fracture: N/A
Streak: red - 2GraphiteGroup: native element
Color: black-silver
Luster: metallic
Diaphaneity: opaque
Hardness: 1.0-2.0
Cleavage/Fracture: N/A
Streak: gray-black
- 3SulfurGroup: native element
Color: yellow-brown
Luster: resinous, vitreous
Diaphaneity: opaque
Hardness: 1.5-2.5
Cleavage/Fracture: N/A
Streak: yellow-brown
- 4KyaniteGroup: silicate
Color: blue-gray
Luster: vitreous, pearly
Diaphaneity: opaque
Hardness: 4.0-7.0
Cleavage/Fracture: N/A
Streak: white
- 5StauroliteGroup: silicate
Color: reddish brown-black
Luster: earthy
Diaphaneity: opaque
Hardness: 7.0-7.5
Cleavage/Fracture: N/A
Streak: colorless
- 6GarnetGroup: silicate
Color: reddish brown
Luster: vitreous
Diphaneity: opaque
Hardness: 6.5-7.5
Cleavage/Fracture: N/A
Streak: white
- 7QuartzGroup: silicate
Color: range of colors
Luster: vitreous
Diaphaneity: transparent-translucent
Hardness: 7.0
Cleavage/Fracture: conchoidal fracture
Streak: white
- 8KaoliniteGroup: silicate
Color: white
Luster: earthy
Diaphaneity: opaque
Hardness: 2.0-2.5
Cleavage/Fracture: irregular fracture
Streak: white
- 9BiotiteGroup: silicate
Color: black,brown,dark green
Luster: vitreous
Diaphaneity: transparent-translucent
Hardness: 2.5-3.0
Cleavage/Fracture: 1 plane of cleavage
Streak: white
- 10MuscoviteGroup: silicate
Color: silver/goldish white
Luster: vitreous
Diaphaneity: transparent-translucent
Hardness: 2.0-2.5
Cleavage/Fracture: 1 plane of cleavage
Streak: white
- 11TalcGroup: silicate
Color: white,greenish,brownish-gray
Luster: pearly
Diaphaneity: opaque
Hardness: 1.0
Cleavage/Fracture: N/A
Streak: white
- 12HematiteGroup: oxide
Color: black, red-brown
Luster: earthy
Diaphaneity: opaque
Hardness: 5.5-6.5
Cleavage/Fracture: N/A
Streak: dark-cherry red
- 13MagnetiteGroup: oxide
Color: black
Luster: metallic
Diaphaneity: opaque
Hardness: 5.5-6.5
Cleavage/Fracture: N/A
Streak: black
- 14TourmalineGroup: silicate
Color: black
Luster: vitreous
Diaphaneity: opaque
Hardness: 7.0
Cleavage/Fracture: N/A
Streak: white
- 15BauxiteGroup: hydroxide
Color: reddish-brown
Luster: earthy
Diaphaneity: opaque
Hardness: 1.0-3.0
Cleavage/Fracture: conchoidal fracture
Streak: white
- 16PyriteGroup: sulfide
Color: silver
Luster: metallic
Diaphaneity: opaque
Hardness: 6.0-6.5
Cleavage/Fracture: N/A
Streak: black
- 17GalenaGroup: sulfide
Color: metallic gray
Luster: metallic
Diaphaneity: opaque
Hardness: 2.5-3.0
Cleavage/Fracture: N/A
Streak: steel-gray
- 18GypsumGroup: sulfate
Color: clear
Luster: vitreous
Diaphaneity: transparent-translucent
Hardness: 2.0
Cleavage/Fracture: 3 planes of cleavage
Streak: white
- 19CalciteGroup: carbonate
Color: yellowish clear
Luster: vitreous
Diaphaneity: transparent-translucent
Hardness: 3.0
Cleavage/Fracture: 3 planes of cleavage
Streak: white
- 20HaliteGroup: halide
Color: clear
Luster: vitreous
Diaphaneity: transparent-translucent
Hardness: 2.0-2.5
Cleavage/Fracture: 3 planes of cleavage
Streak: white
- 21ChalkGroup: Carbonate
Color: white
Luster: earthy
Diaphaneity: opaque
Hardness: 1.0
Cleavage/Fracture: N/A
Streak: white
- 22AlbiteGroup: silicate
Color: white-gray
Luster: vitreous
Diaphaneity: opaque
Hardness: 6.0-6.5
Cleavage/Fracture: N/A
Streak: white
- 23AnorthoclaseGroup: silicate
Color: light gray
Luster: vitreous
Diaphaneity: opaque
Hardness: 6.0-6.5
Cleavage/Fracture: conchoidal fracture
Streak: white
- 24AugiteGroup: silicate
Color: green-black
Luster: vitreous
Diaphaneity: opaque
Hardness: 5.0-6.0
Cleavage/Fracture: uneven fracture
Streak: light green or colorless
- 25ChloriteGroup: silicate
Color: greenish gray
Luster: vitreous
Diaphaneity: opaque
Hardness: 2.0-2.5
Cleavage/Fracture: perfect in one direction
Streak: white or colorless
- 26—Group: oxide
Color: pinkish red
Luster: opaque
Diaphaneity:
Hardness: 9.0
Cleavage/Fracture: N/A
Streak: colorless
- 27FluoriteGroup: halide
Color: purple, green/blue
Luster: vitreous
Diaphaneity: transparent-translucent
Hardness: 4.0
Cleavage/Fracture: 4 planes of cleavage
Streak: white
- 28FosteriteGroup: silicate
Color: light green
Luster: vitreous
Diaphaneity: opaque/transparent
Hardness: 6.5-7.0
Cleavage/Fracture: conchoidal fracture
Streak: white
- 29LabradoriteGroup: silicate
Color: gray (iridescent when light hits it)
Luster: vitreous
Diaphaneity: opaque
Hardness: 6.0-6.5
Cleavage/Fracture:
Streak: white
- 30MicroclineGroup: silicate
Color: bright teal/ turquoise
Luster: vitreous
Diaphaneity: opaque
Hardness: 6.0-6.5
Cleavage/Fracture: conchoidal fracture
Streak: white
Information
- Description
- Geology Flashcards on Mineral Identification, created by David Robinson on 15/09/2019.
- Created by
- David Robinson · Sep 2019
- Updated
- Sep 16, 2019
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