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Herderite

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SKY729400

Herderite

Rare Mineral

Description Tabs

Description
Locality: 
Golconda Pegmatite, Governador Valadares, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 1 × 0.7 cm
Description

Outstanding crystal group of the beryllium mineral herderite from Golconda, Brasil

Mineral Data
What's on the rock

Herderite

Formula: 
CaBePO4(F,OH)
Strunz: 
8.BA.10
Crystal System: 
Monoclinic
Hardness: 
5.0 - 5.5
Type Locality: 
Sauberg Mine, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany

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