Stellerite

specimen number:
2063814

location:
Sarbai, Rudny, Kostanay, Kazakhstan

description:
A beautiful example for the species from the early to mid 1990s, sparkling balls of orange crystallized stellerite measuring to 2.2 cm in diameter are mostly covering aesthetically the top of this matrix. The specimen is in terrific condition. The specimen comes with a previous label from the collection of Ray DeMark.

Sarbai, situated near Rudny in the Kostanay region of Kazakhstan, is a giant skarn iron ore deposit discovered in the mid-twentieth century that gave rise to the industrial mining city of Rudny. The complex geological setting involves extensive contact metasomatic replacement zones formed by intrusive magmatism interacting with carbonate rocks, creating vast reserves of iron ore alongside diverse hydrothermal pockets. Within the cavities and veins of these skarn formations, secondary mineral crystallization occurred, most notably producing world-class specimens of stellerite. This zeolite mineral forms striking, bright orange-brown crystal groups and spherical aggregates that have become highly prized by international mineral collectors for their exceptional size, color intensity, and structural perfection.

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