Earth Mat Flashcards - Common Gems Flashcards by Bien Mendoza

Q

CaCO3

A

Aragonite (Pearls)

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Q

Be Al2 (Si6 O18 )

A

Beryl

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Q

Beryl varieties

A

Emerald (green)
Aquamarine (Blue)
Heliodore (yellow)

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Q

BeAl2O4

A

Chrysoberyl

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Q

Chrysoberyl varieties

A

Alexandrite (green by day, red by night),
Cat’s eye (yellow – green – brown)

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Q

Cu4H4O10 (OH)8

A

Chrysocolla

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Q

Al2O3

A

Corundum

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Q

Corundum varieties

A

Ruby (red), sapphire (blue)

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Q

Andradite gem

A

Demantroid

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Q

Grossular gem

A

Hessonite

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Q

NaAlSi2O6

A

Jadeite

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Q

(Na,Ca)8 (AlSiO4)6 (SO4, S,Cl)2

A

Lazurite

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Q

Lazurite with calcite and px

A

Lapis Lazuli

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Q

Cu2CO3(OH)2

A

Malachite

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Q

KalSi3O8

A

Microline

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Q

Microcline gem

Study These Flashcards

A

Amazonite

Q

Olivine gem

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A

Peridot

Q

Iridescent plag? Opalesque? Golden Shine?

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A

Labradorite; Moonstone; Sunstone

Q

Banded chalcedony

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A

Agate

Q

Mint green qtz

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A

aventurine

Q

Red chert

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A

jasper

Q

Green chalcedony

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A

chrysoprase

Q

mottled gray qtz

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A

moss agate

Q

layerd chalcedony

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A

onyx

MnCO3

Rhodochrosite

Na4(AlSiO4)3Cl

Sodalite

MgAl2O4

Spinel

Al2SiO4(F,OH)2

Topaz

(Na,Ca)(Li,Mg,Al)(Al,Fe,Mn)6(BO3)3(Si6O18)(OH)4

Tourmaline

Ca2Mg5Si8O22(OH)2

Tremolite-actinolite

Tremolite-actinolite gem

Nephrite Jade

CuAl6(PO4)4(OH)8·4H2O

Turquoise

Ca2Al3(Si3O12)(OH)

Zoisite

Violet blue variety of zoisite

Tanzanite