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Chalcedony

A variety of Quartz
Formula: SiO2
Colour: colorless, white, gray, blue, any color due to embedded minerals, multicolored specimen not uncommon.
Luster: Waxy, Dull
Hardness: 6½ - 7
Specific Gravity: 2.6
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7 products
  • Purple Chalcedony from Sheeps Crossing, AZ. 11g. - The Crystal Connoisseurs
    $32.32
    $32.32
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  • Purple Chalcedony from Sheeps Crossing, AZ. 16g. - The Crystal Connoisseurs
    $42.27
    $42.27
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  • Purple Chalcedony from Sheeps Crossing, AZ. 29g. - The Crystal Connoisseurs
    $74.59
    $74.59
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  • Druzy Agate Cabochon - The Crystal Connoisseurs
    $67.13
    $67.13
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  • Chalcedony Stalagtite Cabochon - The Crystal Connoisseurs
    $72.11
    $72.11
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  • Aragonite in Agate Cabochon - The Crystal Connoisseurs
    $82.05
    $82.05
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  • Purple Chalcedony - The Crystal Connoisseurs
    from $29.84
    from $29.84
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