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Adularia Psm Ernstite

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SHS34676

Adularia Psm Ernstite

ex Carlos P.Barbosa

Description Tabs

Description
Locality: 
Conselheiro Lafaiete, Minas Gerais, Brazil
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 1.6 × 1 cm
Description

White small adularia crystals pseudomorph after ernstite

Mineral Data
What's on the rock

Adularia

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Monoclinic
Hardness: 
6 Ortho - clase

Ernstite

Formula: 
(Mn2+,Fe3+)Al(PO4)(OH,O)2·H2O
Strunz: 
8.DD.20
Hardness: 
3.0 - 3.5
Type Locality: 
Davib East Farm 61 (Davib Ost Farm), Karibib District, Erongo Region, Namibia