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Brandholzite

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CR798675

Brandholzite

Rare Mineral

Description Tabs

Description
Locality: 
Kolársky Hill, Pezinok, Pezinok County, Bratislava Region, Slovakia (Slovak Republic)
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 4.5 × 2.8 cm
Description

Very rare magnesium and antimony hydroxide - brandholzite forming thin, tabular, colorless crystals to 3 mm size very rich on the grey matrix from historical antimony-gold deposit New Alexander Adit - Pezinok, Slovak Republic.

Extremely rich specimen.

Mineral Data
What's on the rock

Brandholzite

Formula: 
Mg[Sb(OH)6]2·6H2O
Strunz: 
4.FH.05
Crystal System: 
Trigonal
Hardness: 
2.0 - 3.0
Type Locality: 
Brandholz - Goldkronach District, Fichtelgebirge, Franconia, Bavaria, Germany