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Vanadate

Hechtsbergite

Bi₂O(VO₄)(OH)
Hardness4.5
Crystal systemMonoclinic
ClassVanadate
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Hechtsbergite specimen

Brown crystals of hechtsbergite associated to green aggregates of chrysocolla (or maybe eulytine?) in a colorful combination of species. From: Hechtsberg Quarry, Hausach, Baden-Württemberg, Germany. — Photo: David Hospital · CC BY-SA 4.0

Hechtsbergite

Hechtsbergite is an IMA-recognized mineral species in the vanadate class, with the chemical formula Bi₂O(VO₄)(OH).

It crystallizes in the monoclinic crystal system (space group P2_1/c). It is a member of the Atelestite structural group.

Key properties: Mohs hardness 4.5; specific gravity 6.87; Yellow streak; Adamantine luster; optically biaxial.

IMA symbol Heb, IMA status: approved, named in 1995.

Found in cavities in gneiss.

It is found associated with Bismutite, namibite, eulytite, mixite, beyerite, chrysocolla.

The name refers to the Hechtsberg quarry, Germany, source of the first specimens.

Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet. Browse more H minerals or help write this entry.