About Volborthite

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• Mineralogy and geology*

Mineralogy and Geology of volborthite

Mineral formula: Cu₃(V₂O₇)(OH)₂ · 2H₂O

Mineral group: member of the Volborthite group

Crystal system: monoclinic

Crystal habit: Pseudohexagonal. Scaly, fibrous or spongy crusts and rosette-like aggregates; also reticulated. Scales may have a triangular or hexagonal outline.

Cleavage: Perfect in one direction

Color: olive- to yellow green, green,

Luster: vitreous, waxy, greasy, pearly

Diaphaneity: translucent

Moh’s scale hardness: 3 ½

Specific gravity: 3.5 – 3.8

Named after: Alexander Fedorovich Volborth (1800, Mogilev, Russian Empire - 1876, St. Petersburg, Russian Empire), paleontologist, who first noted the mineral. At least ten fossil species are also named after him.

Type locality: the Sofronovskii Cu Mine, Yugovskii Zavod (Kalinino), Kungursky District, Perm Krai, Russia

Geological occurrence: A secondary mineral found in the oxidized zones of vanadium-bearing hydrothermal deposits.

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* Mineralogical information is from mindat.org

** Always consult with your medical professional for any physical or long-term healing issues.