Karteikarten
Minerals
Karten in diesem Stapel (18)
- 1—AMPHIBOLE
Black (dark green)
Vitreous
2 not @ 90
Grey/White
6
Silicate - 2—BIOTITE
Black
Vitreous
1 Perfect (Thin Sheets)
Flaky, Luster: Vitreous
White
3
Silicate
- 3—CALCITE
Prismatic
Colourless
3 perfect not @ 90
Vitreous, pearly
White
3
Carbonate
- 4—GALENA
Cubic Crystals
Grey
3 good @ 90
Metallic
Grey/black
1
High Specific Gravity, Sulphide
- 5—GRAPHITE
Grey/Black
1 direction
Metallic
Grey/Black
2
Soapy/Writes on Paper
Native Element
- 6—GYPSUM
Tabular Crystals
Colourless
1 perfect, 2 others
Pearly, Vitreous
White
1
Sulfate
- 7—HALITE
Perfect Cubic
Colourless
3 perfect @ 90
Vitreous
White
2.5
Salty, dissolves in Water, Halide
- 8—LIMONITE
Massive
Brown/Yellow
No Cleave, Uneven fracture
Earthy
Brown
5
- 9—MAGNETITE
Granular Masses
Black/Dark Grey
Uneven Fracture
Metallic
Black
5
Magnetic, High Specific Gravity, Oxide
- 10—MUSCOVITE
Thin crystals
Colourless
1 perfect (thin sheets)
Flaky
Vitreous
2
Silicate (Mica)
- 11—OLIVINE
Granular Masses
Dark Green/Grey
No Cleave, conchoidal
vitreous
white
7
Silicate
- 12—PYRITE
Cubic Crystals or Granular Masses
Brass Yellow
uneven fracture
Metallic
Black
6
High Specific gravity, Sulfide
- 13—QUARTZ
6 sided crystal, massiv
Colourless, pink, white
no cleave, conchoidal
vitreous
white
7
Silicate
- 14—SULPHUR
Tabular or MAssive
Yellow
No cleave
Vitreous/Earthy
Yellow
2
Rotten Egg smell, Native element
- 15—CARNALLITE
Granular/Massive
Colourless
No Cleave/Conchoidal
Vitreous
White
2
Salt, Dissolves in water, Halide
- 16—CORUNDUM
Short 6 sided crystals
Brown, pink
No cleave, irregular
adamantine
No streak, 9
Oxide
- 17—HEMATITE
Granular Masses
Grey
Uneven
Metallic
Red/Brown
5.5
Oxide
- 18—PYROXENE
Light to dark green
2 @ 90
vitreous
pale green
5
Pyroxene