Isotropic, Uniaxial, Biaxial or Polycrystaline? Flashcards

1
Q

Opal

A

Isotropic

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2
Q

Feldspar

A

Biaxial

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3
Q

Paste (artificial glass)

A

Isotropic

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4
Q

Fluorite

A

isotropic

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5
Q

Chalcedony

A

Polycrystaline

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6
Q

Quartz

A

Uniaxial

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7
Q

Diamond

A

Isotropic

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8
Q

Topaz

A

Biaxial

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9
Q

Nephrite

A

Polycrystaline

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10
Q

Tourmaline

A

Uniaxial

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11
Q

Pyrope garnet

A

Isotropic

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12
Q

Jadite

A

Polycrystaline

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13
Q

Tanzanite

A

Biaxial

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14
Q

Natural Spinel

A

Isotropic

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15
Q

Peridot

A

Biaxial

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16
Q

Grossular garnet (hessonite)

A

Isotropic

17
Q

Iolite

A

Biaxial

18
Q

Almandine Garnet

A

Isotropic

19
Q

Chrysoberyl

A

Biaxial

20
Q

Corundum

A

Uniaxial

21
Q

Verneuil Synthetic Spinel

A

Isotropic

22
Q

Spessartine Garnet

A

Isotropic

23
Q

Zircon

A

Uniaxial

24
Q

Andradite Garnet (Demantoid)

A

Isotropic

25
Q

Beryl

A

Uniaxial