Geology Flashcards

1
Q

World’s Hardest Mineral

A

Diamond

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2
Q

Diamond Material

A

Carbon

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3
Q

Green Beryl Gem

A

Emerald

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4
Q

“Mutton Fat” nephrite

A

Jade (often it’s green, not always)

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5
Q

Types of Rock

A

Igneous, metamorphic, sedimentary
Igneous - Obsidian (volcanic glass), granite, basalt, and andesite porphyry
Metamorphic - slate, marble, schist, and quartzite
Sedimentary - limestone, a sedimentary rock, that was a coral reef

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6
Q

Yellow or Golden Gem

A

Topaz

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7
Q

Purple Quartz

A

Amethyst

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8
Q

Gem Named after a Tsarina

A

Alexandrite

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9
Q

Gem Found in Tanzania

A

Tanzanite

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10
Q

Green Chalcedony spotted with red Jasper

A

Bloodstone

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11
Q

Reddish-Brown Gem

A

Garnet

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12
Q

Black Organic Gem

A

Jet

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13
Q

Opaque Blue or Azure Gemstone (sometimes flecked)

A

Lapis Lazuli

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14
Q

Often Blue Corundum

A

Sapphire - 9 on the Mohs scale (the third hardest mineral, right behind diamond

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15
Q

Red Corundum

A

Ruby

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16
Q

Kashmire Blue Type of Gem

A

Sapphire

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17
Q

Star of Indian Type of Gem

A

Ruby

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18
Q

95.5 Carat Diamond in the Smithsonian

A

Hope Diamond

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19
Q

Largest Gem Quality Diamond

A

Golden Jubilee Diamond (546 Carats)

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20
Q

Largest Rough Diamond Ever Discovered

A

Cullinan Diamond (3,107 carats)

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21
Q

Diamond in Titanic

A

Heart of the Ocean

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22
Q

Carat

A

a unit of mass for gemstones, equal to 0.2 gram

Carat (purity) or karat, a unit of purity for gold

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23
Q

January

A

Garnet

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24
Q

February

A

Amethyst

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25
March
Aquamarine
26
April
Diamond
27
May
Emerald
28
June
Pearl
29
July
Ruby
30
August
Peridot
31
September
Sapphire
32
October
Opal
33
November
Topaz
34
December
Turquoise
35
Study of Earth's Physical Properties
Geophysics
36
Study of the Motion of Earth's Plate
Tectonics
37
Study of Rocks
Petrology
38
Earth's Age
4.5 Billion years
39
Earth's Outer Layer
Crust
40
Earth's Laywer below the crust
Mantle
41
Current Geologic Period
Quaternary
42
Current Geologic Epoch
Holocene
43
Current Geologic Era
Cenozoic (Recent Life)
44
Middle Geologic Era
Mesozoic (Middle Life)
45
Early Geologic Era
Paleozoic (Ancient life)
46
Ancient Super Continent, 240 Million Years Ago
Pangaea
47
Northern SuperContinent, 120 Million Years Ago
Laurasia
48
Southern Super Continent, 120 Million Years Ago
Gondwana
49
Earth's Energy
Geothermal
50
Ocean Surrounded by Volcanic "Ring of Fire"
Pacific
51
Large Volcanic Crater
Caldera
52
Scale Measuring Earthquake Intensity
RIchter Scale
53
Tidal Wave Caused by an Earthquake
Tsunami
54
Fool's Gold
IRon Pyrite
55
Uranium and Radium Ore
Pitchblende
56
Aluminum Ore
Bauxite
57
Murcury Ore
Cinnabar
58
Copper Ore
Cuprite
59
Lead ore
Galena
60
Hard Carbon
Diamond
61
Soft Carbon
Graphite
62
Hard Coal
Anthracite
63
Soft Coal
Bituminous
64
Brown Coal
Lignite
65
Deep Black Ignite
Jef
66
Dense Rock Formed from Cooling Lava
Basalt
67
Glass Formed from Cooling Lava
Obsidian
68
Earth's Crust most abundant rock
Igneous
69
Most Common Ignous Rock
Graphite
70
Soft Igneous Rock
Pumice
71
Shale Rock Type
Sedimentary
72
Translucent Gypsum
Alabaster
73
Cave Ceiling Fixtures
Stalactites
74
Cave Floor Fixtures
Stalagmites
75
Scale Measuring Mineral Hardness
Mohs Scale
76
Diamond Rating on Mohs Scale
Ten
77
Ruby Rating on Mohs
9
78
Talc Rating on Mohs Scale
1
79
Large California Fault Line
San Andreas Fault
80
Large East Africa Fault Line
Great Rift Valley