Qingsongite
Cubic boron nitride — an ultra-hard mineral found as microscopic inclusions in Tibet's Luobusa chromite deposits.
Intro adapted from Wikipedia (CC BY-SA).
Qingsongite is an IMA-recognized mineral species in the native element class, with the chemical formula BN.
It crystallizes in the cubic crystal system (space group F-43m). It is a member of the Sphalerite structural group.
IMA symbol Qsg, IMA status: approved, named in 2013.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data and a Wikipedia introduction — a full written entry hasn’t been published yet.
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