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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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4 products
  • Druzy Agate Cabochon - The Crystal Connoisseurs
    $54.00
    $54.00
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  • Chalcedony Stalagtite Cabochon - The Crystal Connoisseurs
    $58.00
    $58.00
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  • Aragonite in Agate Cabochon - The Crystal Connoisseurs
    $66.00
    $66.00
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  • Purple Chalcedony - The Crystal Connoisseurs
    from $24.00
    from $24.00
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