Gem Silica | Chrysocolla Chalcedony | 7mm Triangle Cabochon Pair | Peru | Per Pair | CH130
Gem Silica | Chrysocolla Chalcedony | 7mm Triangle Cabochon Pair | Peru | Per Pair | CH130
DETAILS
Origin: Peru
Species: Quartz
Variety: Gem Silica (Chrysocolla Chalcedony / Chrysocolla in Chalcedony)
Cut: Triangle Cabochon
Size: 7 x 7 x 3mm
Weight: 1.91 ct total (pair)
Sold: Per Pair
Treatment: None
Hardness: 6.5 – 7 (Mohs)
Refractive Index: 1.530 – 1.540
Gem Silica, also known as Chrysocolla Chalcedony or Chrysocolla in Chalcedony, is the rarest and most valuable variety of chalcedony, distinguished by its exceptional blue-green to teal color produced by copper silicate infusing into a microcrystalline quartz matrix during hydrothermal formation. Peru is among the most significant sources for gem silica in the world, producing material from copper-rich porphyry deposits in the Andean highlands with a color quality that is widely regarded as among the finest known, prized for its luminous, almost ethereal green and teal tones.
This matched pair of triangle cabochons displays a dreamy, saturated green that is characteristic of the finest Peruvian gem silica — a color that sits somewhere between seafoam, jade, and turquoise yet is entirely distinct from all three. At 7mm and a combined weight of 1.91 carats, these stones are ideally proportioned for statement earrings, and the triangle shape offers a bold geometric profile that suits both contemporary and artisan design aesthetics. Matched pairs of gem silica — sometimes sought under the names Chrysocolla Chalcedony or Silicified Chrysocolla — in a calibrated fancy shape are exceptionally difficult to source, as the material is rare to begin with and cutting matched sets requires careful selection from limited rough. These represent a genuinely uncommon find for a designer seeking a distinctive, high-character stone with strong provenance.
Materials: Gem Silica, Chrysocolla in Chalcedony.
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