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Calderite

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CHA632677

Calderite

Rare Mineral

Description Tabs

Description
Locality: 
Schmorrasgrat-South, Ausserferrera, Ferrera Valley, Hinterrhein, Grisons, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.7 × 1.5 cm
Description

specimen with some very good rappresentative brownish crystals of calderite on matrix

Mineral Data
What's on the rock

Calderite

Formula: 
(Mn2+,Ca)3(Fe3+,Al)2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
0.0
Type Locality: 
Otjosondu, Otjozondjupa Region, Namibia

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