7mm Gem Silica Cabochon Triangle | avg 1.3ct | Per Stone | Peru | CH131
7mm Gem Silica Cabochon Triangle | avg 1.3ct | Per Stone | Peru | CH131
Gem silica from Peru in that dream green turquoise color - this is one of the more coveted expressions of the material, and these calibrated 7mm triangles make it immediately usable for production work or a matched multi-stone design. All three stones are listed individually below with exact weights, so you can choose the one that fits your project or pick up the set. The color reads consistently across all three, which is not always easy to find in gem silica at this size.
Gem silica is the translucent, chalcedony-hosted variety of chrysocolla, and it sits at a different level of rarity and value than opaque chrysocolla. The silica matrix stabilizes the copper-based color and gives the material its characteristic translucency - light moves into the stone rather than just reflecting off the surface, which reads beautifully in bezel settings where light can enter from the back. Peru is one of the primary sources for quality gem silica, and material with this kind of color saturation and consistency is genuinely harder to source than it used to be.
These stones are untreated. No stabilization, no impregnation, no color enhancement of any kind - the color and translucency are entirely natural and as-formed.
DIMENSIONS
S1: 7mm — 1.4 ct
S2: 7mm — 1.26 ct
S3: 7mm — 1.2 ct
STONE DETAILS
Variety: Gem Silica
Species: Chrysocolla
Origin: Peru
Cut: Cabochon, Triangle
Treatment: None
Hardness: 6 – 7 Mohs
RI: 1.460 – 1.570
Sold as: Per Stone
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