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Mineralogy > Sulfates, Tungstates, and Phosphates > Flashcards

Sulfates, Tungstates, and Phosphates Flashcards

1
Q

Anglesite

A

PbSO4

  • dense and heavy
  • white streak
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2
Q

Anhydrite

A

CaSO4

  • rectangular cleavage fragments
  • soft feel to it
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3
Q

Barite

A

BaSO4

  • orthorhombic crystals
  • high density for a light coloured minerals
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4
Q

Celestite

A

SrSO4

  • light blue colour which tints only part of a white or colourless crystal
  • hardness is 3, penny shouls scratch it
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5
Q

Gypsum

A

CaSO4·2H2O

  • very soft, fingernail can scratch it
  • flat crystals
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6
Q

Scheelite

A

CaWO4

  • white streak
  • tetragonal crystals
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7
Q

Apatite

A

Ca5(PO4)3F

  • greasy luster
  • tabular structure, hexagonal
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Mineralogy (10 decks)

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