Outstanding colorless crystal of the rare mineral nitrobarite in a contrastring matrix. From: Maria Weitschach, Hüttenberg, Carinthia, Austria. Nitrobarite has only been found in 4 localities worldwide. — Photo: David Hospital · CC BY-SA 4.0
Nitrobarite
Nitrobarite is an IMA-recognized mineral species in the nitrate class, with the chemical formula Ba(NO₃)₂.
It crystallizes in the cubic crystal system (space group Pa3).
Key properties: specific gravity 3.25; Vitreous luster.
IMA symbol Nba, grandfathered status — known before the IMA’s founding, named in 1882.
Noted on a museum specimen, probably from a nitrate deposit.
It is found associated with “Wad”.
The name refers to NITRate and BARium in the composition.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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