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Mineralati

Minerals

Jeremejevite

jeremejevite

Al6(BO3)5F3

Jeremejevite - SCH-72 - Mile 72 - Namibia Mineral Specimen

Jeremejevite - SCH-72 - Mile 72 - Namibia Mineral Specimen — via www.irocks.com · Source

Overview

Jeremejevite is an aluminium borate mineral with variable fluoride and hydroxide ions. Its chemical formula is Al6B5O15(F,OH)3. It is considered as one of the rarest, thus one of the most expensive stones. For nearly a century, it was considered as one of the rarest gemstones in the world. It was first described in 1883 as small, single crystals in loose granitic debris in Mt. Soktui, Nerschinsk district, Adun-Chilon Mountains, Siberia. It was named after Pavel Vladimirovich Eremeev, Russian mineralogist, engineer and professor, who collected the first specimens (Jeremejev, German; 1830–1899).

Scientific references

  1. Jeremejevite — Wikidata. https://www.wikidata.org/wiki/Q429968 Link
  2. Jeremejevite — Wikipedia. https://en.wikipedia.org/wiki/Jeremejevite Link