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Chromian Clinochlore & Chromite

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PDM599176

Chromian Clinochlore & Chromite

Description Tabs

Description
Locality: 
Acoje Mine, Santa Cruz, Central Luzon, Luzon, Philippines
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 3.3 × 2.5 cm
Description

A self-collected specimen from the old stocks at the Acoje Mine (Philippines). I was visiting some friends there in February/2009 and we could visit some mineral localities to collect specimens. It is a mass of subeuhedral chromite crystals with a matrix of pink chromian clinochlore (previously known as kämmererite). Very unusual to find such a piece on the market. Ex. Iván Blanco collection.

Mineral Data
What's on the rock

Chromian Clinochlore

Variety Of: 

Clinochlore

Formula: 
(Mg,Fe2+)5Al(AlSi3O10)(OH)8
Strunz: 
9.EC.55
Hardness: 
2.0 - 2.5
Formula: 
Mg5(Al,Cr)2Si3O10(OH)8
Hardness: 
0.0

Chromite

Formula: 
Fe2+Cr3+2O4
Strunz: 
4.BB.05
Hardness: 
5.5
Colour: 
Black
Streak: 
Brown
Type Locality: 
Bastide de la Carrade, Gassin, Var, Provence-Alpes-Côte d'Azur, France...

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