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About Chalcedony

Chalcedony is a radial aggregate of microscopic quartz fibres, mostly grey to whitish-grey (various occurrences), rarer bluish to blue (Namibia).

Facts:

  • Mohs hardness: 6.5
  • Mineral: Quartz
  • Chemistry: SiO2
Chalcedony is a radial aggregate of microscopic quartz fibres, mostly grey to whitish-grey (various occurrences), rarer bluish to blue (Namibia). Facts: Mohs hardness: 6.5... read more »
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About Chalcedony

Chalcedony is a radial aggregate of microscopic quartz fibres, mostly grey to whitish-grey (various occurrences), rarer bluish to blue (Namibia).

Facts:

  • Mohs hardness: 6.5
  • Mineral: Quartz
  • Chemistry: SiO2
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031696_Chalcedon_13x13mm Chalcedony, dyed, light blue, briolette,...
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024948_Chalcedon_13x13mm Chalcedony, reconstructed, pink, briolette,...
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030651_Chalcedon_10x10mm Chalcedony, reconstructed, paraiba blue,...
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015320_Chalcedon_12x9mm Chalcedony, blue light, olive shape, faceted,...
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026770_Chalcedon_10x7mm Chalcedony, blue light, olive shape, smooth,...
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030566_Chalcedon_13x11mm Chalcedony, rose, pointed teardrop, smooth,...
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030564_Chalcedon_13x11mm Chalcedony, rose, pointed teardrop, smooth,...
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030586_Chalcedon_13mm Chalcedony, light blue, bead, faceted, 13 mm
Türkis-Kugel in wunderschöner Farbe
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030587_Chalcedon_12mm Chalcedony, light blue, bead, faceted, 12 mm
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030590_Chalcedon_7mm Chalcedony, light blue, bead, faceted, 7 mm
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030588_Chalcedon_10mm Chalcedony, light blue, bead, faceted, 10 mm
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030589_Chalcedon_8mm Chalcedony, light blue, bead, faceted, 8 mm
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