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Melanite & Magnetite On Orthoclase

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PDM798840

Melanite & Magnetite On Orthoclase

Description Tabs

Description
Locality: 
Tizi-n-Inouzane, Imilchil, Errachidia Province, Drâa-Tafilalet Region, Morocco
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 2.5 × 2.4 cm
Largest Crystal: 
3.30cm
Description

Bright octahedral magnetite crystals, that reach 33 mm in size, with black andradite, var. melanite, on a matrix of pale feldspar. Found at the famous Tizi-n-Inouzane Pass (Imilchil).

I acquired it to local collectors in 09/2009.

Mineral Data
What's on the rock

Melanite

Variety Of: 

Andradite

Formula: 
Ca3Fe3+2(SiO4)3
Strunz: 
9.AD.25
Hardness: 
6.5 - 7.0
Hardness: 
0.0
Colour: 
Black

Magnetite

Formula: 
Fe2+Fe3+2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
5.5 - 6.5
Streak: 
Black

Orthoclase

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Hardness: 
6.0
Streak: 
White

Seller Information

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