Potanino Mine, Ilmen Mountains, Russia

Dioptase

Altyn-Tyube, Karagandy Oblast, Kazakhstan

Lapis Lazuli (polished and carved)

Sar-e-Sang, Badakhshan Province, Afghanistan

Spinel (rough and cut)

available

$165

Locality: Mogok, Sagaing District, Mandalay Division, Burma (Myanmar)
Minerals: Spinel
Dimensions: 1.4 x 1.4 x 1.0 cm
Size class: Thumbnail
SID: SPINEL4

The crystal is a rare Mackle twin habit. On one face of the octohedron two twinned spinel crystals have grown. So its actually three intergrown spinels that weigh 9.90 carats. I've paired it with a facetted spinel that weighs .48 carats (.6 x .4 cm). No visible dings or damage (there are natural "contacts," in the form as it grows typically in marble).

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