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HDSO Rocks and Minerals > Identification > Flashcards

Identification Flashcards

1
Q

scratches glass

A

quartz

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2
Q

has striations

A

plagioclase feldspar

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3
Q
A

biotite

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4
Q
A

halite

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5
Q

yellow/brown streak

A

limonite

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6
Q

scratches with fngernail

A

gypsum

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7
Q
A

muscovite

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8
Q

scratches with fingernail

A

kaolinite

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9
Q
A

potassium feldspar

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10
Q

magnetic

A

magnetite

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11
Q
A

gypsum

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12
Q

scratches glass

A

cryptocrystalline quartz

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13
Q

brown/red streak

A

hemotite

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14
Q
A

pyrite

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15
Q
A

amphibole

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16
Q

green

A

olivine

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17
Q

grey streak

A

galena

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18
Q
A

pyroxene

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19
Q
A

granite

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20
Q
A

volcanic breccia

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21
Q
A

obsidian

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22
Q

light

A

pumice

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24
Q
25
Q
26
Q

green

A

peridotite

27
Q
28
Q
29
Q
30
Q
31
Q
A

porphyritic rhyolite

32
Q
A

porphyritic rhyolite

33
Q
34
Q
A

chert conglomerate

35
Q

reacts with HCl

37
Q

scratch with fingernail

A

rock gypsum

38
Q
39
Q
A

quartzose sandstone

40
Q
A

sandstone with iron oxide cement

41
Q
A

arkosic conglomerate

42
Q
43
Q
A

quartzose sandstone

44
Q

efferveces when scratched

45
Q
A

fossiliferous limestone

46
Q
47
Q
48
Q

efferveces with HCl

49
Q

efferveces with HCl

50
Q
51
Q
A

granitic gneiss

52
Q
A

amphibolite

53
Q
54
Q
55
Q

HDSO Rocks and Minerals (7 decks)

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