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Minerology 200 > Mineral list 5 + > Flashcards

Mineral list 5 + Flashcards

1
Q

Serpentine

A

Mg, Si, O, OH

Phyllosilicate

Black-green/olive - dark

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2
Q

Talc

A

Mg, Si, O, OH

Phyllosilicate

pearly to greasy

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3
Q

Garnierite

A

Al, Si, O, OH

Phyllosilicate

Pistachio green to brown

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4
Q

Kaolinite

A

Al, Si, O, OH

Phyllosilicate

Looks like chalk
Dull
Triclinic

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5
Q

Illite

A

K, Al, Mg, Fe, Si, O, OH - low K

Phyllosilicate

Graphite gray - shale

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6
Q

Glauconite

A

K, Na, Fe, Al, Mg, Si, O, OH

Phyllosilicate

rust brown
Luster - dull/earthy

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7
Q

Pyrophyllite

A

Al, Si, O, OH

Phyllosilicate

Dark olive green with black grains - may have white
Quite granular

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8
Q

Muscovite

A

K, Al, Si, O, OH

Phyllosilicate

Transparent
1 cleavage
Vitreous to pearly
Monoclinic
Platy/micaceous/lamellar

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8
Q

Phlogopite

A

K, Mg, Al, Si, O, OH

Phyllosilicate

Translucent
Reddish brown
Vitreous to pearly
1 cleavage
Monoclinic

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9
Q

Biotite

A

K, Mg, Fe, Al, Si, O, OH

Phyllosilicate

Opaque
Black
vitreous to pearly
monoclinic
1 cleavage

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10
Q

Lepidolite

A

K, Li, Al, Si, O, OH, F

Phyllosilicate

Purple, pink
Li rich mica
Vitreous to pearly

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11
Q

Chlorite

A

Mg, Fe, Al, Si, O, OH

Phyllosilicate

Very dark blackish-green
Not crystalline
Dull

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12
Q

Prehnite

A

Ca, Al, Si, O, OH

Phyllosilicate

Lighter olive green to light brown rock
Blueish to green on crystals
Dull on rock, Vitreous on crystals

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13
Q

Anthophyllite

A

Mg, Si, O, OH

Inosilicate

White with patches of green-black

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14
Q

Tremolite (1 sample)

A

Ca, Mg, Si, O, OH

Inosilicate

Vitreous to pearly
White

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15
Q

Actinolite (1 sample)

A

Ca, Mg, Fe, Si, O, OH

Inosilicate

Dark green with black crystals

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16
Q

Hornblende

A

Ca, Na, Mg, Fe, Al, Si, O, OH

Inosilicates

Dark black - iron black to grey

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17
Q

Riebeckite

A

Na, Fe, Si, O, OH

Inosilicate

White/cream has black(hornblende?)
Fine grain

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18
Q

Cummingtonite

A

Mg, Si, O, OH

Inosilicate

Dark black to grey with brown on fracture
Fine grain

19
Q

Jade - amphibole

A

Ca, Mg, Fe, Si, O, OH

Inosilicate

Olive green (kind of gray) - lighter on fracture
Granular

20
Q

Glaucophane

A

Na, Mg, Al, Si, O, OH

Inosilicate

Grayish purple - brown on fracture

21
Q

Enstatite

A

Mg, Fe, Si, O

Inosilicate

Gray to dark olive to brown/black
Submetallic luster

22
Q

Diopside

A

Ca, Mg, Si, O

Inosilicate

Grey to white to small bits of brown
Granular massive, columnar

23
Q

Augite

A

Ca, Na, Mg, Fe, Al, Si, O

Inosilicate

Black to green to rusty brown

24
Q

Hedenbergite

A

Ca, Fe, Si, O

Inosilicate

Malachite green to grey black brown

25
Q

Jadeite - pyroxene

A

Na, Al, Si, O

Inosilicate

Very light grey green to brown

26
Q

Rhodonite

A

Mn, Si, O

Inosilicate

Pink

27
Q

Spodumene

A

Li, Al, Si, O

Inosilicate

White
Prismatic crystals
monoclinic
Cloudy cream white crystal

28
Q

Wollastonite

A

Ca, Si, O

Inosilicate

Chalky white with green specs and brown spots

29
Q

Beryl

A

Be, Al, Si, O

Cyclosilicates

Light blue white with little brown
Hexagonal crystal system
Prismatic

30
Q

Cordierite

A

Mg, Fe, Al, Si, O, H2O

Cyclosilicate

darky grey to black to slightly green
Orthorhombic
Short prismatic

31
Q

Tourmaline

A

Na, Ca, Fe 2+, Fe 3+, Mg, Al, Mn, Li, B, Si, O, OH, F

Cyclosilicates

Red to brown to white to black to grey to white
Striated
Hexagonal
Prismatic/columnar

32
Q

Epidote

A

Ca, Fe, Al, Si, O, OH

Sorosilicate

Army green with brownish red - some white
Monoclinic
Prismatic

33
Q

Hemimorphite

A

Zn, Si, O, OH, H2O

Sorosilicate

Deep brown to orange rocks with light blue crystal
Orthorhombic

34
Q

Idocrase

A

Ca, Fe, Al, Mg, Si, O, OH, F

Sorosilicate

Large rock
Reddish brown with gray
Tetragonal
Prismatic

35
Q

Olivine

A

Mg, Fe, Si, O

Nesosilicate

Olive color
Orthorhombic
Granular/massive

36
Q

Andalusite (1 sample)

A

Al, Si, O

Nesosilicate

Purple red with dark parts
Prismatic/columnar
Orthorhombic

37
Q

Sillimanite

A

Al, Si, O

Nesosilicate

White to light grey with reddish brown specs
Orthorhombic
Slender prismatic/ fine fibrous “fibrolite”

38
Q

Kyanite

A

Al, Si, O

Nesosilicate

Blue grey with rust brown to white
Triclinic
Long tabular crystals

39
Q

Staurolite

A

Fe, Al, Si, O, H2-4

Nesosilicate

crystals
- brown
- Prismatic cruciform twins crossing either at 90 or 60

Rock
- grey
- granular

Monoclinic

40
Q

Topaz (1 sample)

A

Al, Si, O, F, OH

Nesosilicates

Blue gray green to white on fractures
Orthorhombic

41
Q

Almandine

A

Al, Fe, Si, O

Nesosilicate

Rust brown to black
Isometric
Dodecahedron/Trapezohedron

42
Q

Andradite

A

Ca, Fe 3+, Si, O

Nesosilicate

Red to brown with some white
Isometric
Granular

43
Q

Willemite

A

Zn, Si, O

Nesosilicates

Black rock with rusty brown spots and light khaki
High spec grev
Granular or massive
Hexagonal

44
Q

Zircon

A

Zr, Si, O

Nesosilicate

Dirty white with iron black and spots of brown
Tetragonal
Irregular grains (some prismatic)

45
Q

Titanite

A

Ca, Ti, Si, O

Nesosilicate

Gray white with pinkish brown streaks and black going through it
Massive
Monoclinic

Minerology 200 (3 decks)

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