$208Median
114Sold (12 mo)
$165Last sale
STRONTIOGINORITE with Gypsum var. Selenite
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Kohnstein quarry in Nordhausen District, Thuringia, Germany is remarkable for its exceptionally well-crystallized borate assemblage, some of which represent the 'best of' species. In 2014 it was Strontioginorite which reached new heights. Previously known as only small, or poorly formed crystals, specimens discovered at Kohnstein quarry raised the bar to a new level. Monoclinic in form, the crystals of Strontioginorite are difficult to tell apart from Gypsum crystals, but are slightly thinner overall and more rectangular in form. This stunning miniature specimen features at least one sharply formed colourless monoclinic Strontioginorite crystal reaching over 2 cm in length - rising up from sparry massive Gypsum var. Selenite. The Type Locality for Strontioginorite lies a little over 30 miles to the west of Kohnstein quarry, at Königshall-Hindenburg mine which closed in the early 1970s. Both deposits exploit evaporites from the ancient Zechstein Sea. Ex Martin and Michael Günther (1951-2007 & 1956-2021) collection this is a superb rarity.
Product details
SizeMiniature
Dimensions4.3 x 3.5 x 4.5 cm
Added on03/13/2025
LocalityGermany, Thuringia, Kohnstein Quarry
Current owner
Unknown Owner
Previous owners
| Date | Collector | Acquisition price |
|---|---|---|
| — | Crystal Classics | Not disclosed |
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Mineral guide
Learn about Gypsum
a diverse sulfate featuring selenite, satin spar, alabaster and desert roses; prized for clarity, dramatic twin forms, and collectible rarity.Regional guide
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