Updated 4d ago
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Calcite with Stilbite$750.00
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Calcite with Stilbite from the iron mines around the city of Rudny in Kostanay Province, Kazakhstan. Wow, what a beautiful specimen! This is one of those specimens which sounds simple (which it is) and nothing out of the ordinary, but when you see it, extracts a fair few exclamations of “Wow!”. Small yet perfect Roman sword Stilbite crystals cover the top surface of a creamy granular matrix and on top of these sit five pairs of perfectly formed twinned Calcite crystals. The pairs range from 2 to 5 cm wide and all are semi-transparent to translucent, smoky opalescent light grey with a pearly lustre. I must emphasise opalescent because the Calcite is a superb example of this optical property, displaying a slightly blue cast similar to moonstone; the colloquial name for pearly and opalescent microcline and orthoclase feldspar. As mentioned, all crystals are twinned, with each perfectly displaying crisp re-entrant angles. I can see no damage at all on the specimen. It’s a beautiful and highly displayable example of Calcite with Stilbite from Rudny.
Product details
SizeCabinet
Dimensions10.5 x 8.3 x 6.5 cm
Locality
SKUCC32323
Listed on12/02/2024
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