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Bahianite

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GFM745154

Bahianite

Description Tabs

Description
Locality: 
Morro do Chapéu Claim, Pico das Almas River, Érico Cardoso, Bahia, Brazil
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.4 × 0.5 × 0.2 cm
Description

pale yellow glassy crystals up to 1 mm rounded Bahianit pebbles of 6 mm from a placer deposit. The rare Sb-Al-Oxide is with a Mohs hardness of 9, one of the hardness known minerfals

Mineral Data
What's on the rock

Bahianite

Formula: 
Al5Sb3O14(OH)2
Strunz: 
4.DC.05
Crystal System: 
Monoclinic
Hardness: 
9.0
Type Locality: 
Pico das Almas river, Paramirim das Crioulas, Érico Cardoso (former Água Quente), Bahia, Brazil