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Crichtonite

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JYJ513586

Crichtonite

Description Tabs

Description
Locality: 
Presidente Kubitschek, Minas Gerais, Brazil
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 1.5 × 1.3 cm
Description

Tack sharp analysed crichtonite in crystals up 0.2mm  on  matrix. 

Mineral Data
What's on the rock

Crichtonite

Formula: 
(Sr,La,Ce,Y)(Ti,Fe3+,Mn)21O38
Strunz: 
4.CC.40
Hardness: 
5.0 - 6.0
Colour: 
Black
Streak: 
Dark grey
Type Locality: 
St Christophe-en-Oisans, Bourg d'Oisans, Isère, Rhône-Alpes, France...
Analysis
Analysis Report - only: Crichtonite