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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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030565_Chalcedon_13x11mm Chalcedony, rose, pointed teardrop, smooth,...
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017998_Chalcedony_10mm Chalcedony, light blue, buff top, faceted,...
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008873_Chalcedony_9x9mm Natural chalcedony, light blue, faceted...
Beautiful Chalcedony in a light blue color
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008874_Chalcedony_9x9mm Natural chalcedony, medium blue, faceted...
Chalcedony in a beautiful blue color
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015052_Chalcedony_8mm Chalcedony, blue, faceted cabochon, round, 8 mm
Special Chalcedony in a beautiful blue shade
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Chalcedony_8x8mm Natural chalcedony, medium blue, faceted...
Amazing Chalcedony in a briolette cut
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Chalcedony_8x8mm Natural chalcedony, light blue, faceted...
Amazing Chalcedony in a light blue color
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010396_Chalcedony_6x6mm Natural chalcedony, light blue, faceted...
Natural chalcedony in a beautiful light blue color
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010397_Chalcedony_6x6mm Natural chalcedony, medium blue, faceted...
Amazing Chalcedony in a beautiful medium blue color
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Chalcedony, blue, cone, smooth, round, 11 mm Chalcedony, blue, cone, smooth, round, 11 mm
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Chalcedony, blue, cone, smooth, round, 11 mm Chalcedony, blue, cone, smooth, round, 11 mm
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Chalcedony, dark blue, cone, smooth, round, 11 mm Chalcedony, dark blue, cone, smooth, round, 11 mm
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