Tsaregorodtsevite
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At 7.5 mm, the larger crystal here is at the maximal size for the species. Tsaregorodtsevite is a very STRANGE mineral that is made up of AMMONIA with nitrogen, and an aluminosilicate compound. I recall when Fersman Museum started selling their extras in 1991, this was one of the most coveted of all rare species that came out the doors from their various expeditions. I got some directly at the time from curator Dmitriy Belakovskiy, who has himself been to this remote location on at least one expedition. I assume this specimen came form the same source, the only source so far as I know. In fact, I bought this piece from him at Tucson 2008, surprised to see another turn up after so long. The perch on a quartz cluster makes the display here particularly good - usually these are on flat gray rocks. (TYPE and ONLY LOCALITY)
Product details
SpeciesTsaregorodtseviteQuartz
SizeSmall Cabinet
Dimensions7.7 x 5.5 x 3.8 cm
Added on10/23/2024
LocalityYaruta Mt, Man'-Khambo Mts, Polar Urals, Tyumenskaya Oblast, Siberia, Russia (TYPE and ONLY LOCALITY)
Owners
Unknown Owner
Current owner- Acquired
- Aug 2024
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