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Garnet Var Pyrope With Chromian Diopside

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LGM683231

Garnet Var Pyrope With Chromian Diopside

Ex Dr. Krantz, Bonn, Germany
Classic Locality

Description Tabs

Description
Locality: 
Arami Alp, Gorduno, Bellinzona, Ticino, Switzerland
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 6.5 × 2.5 cm
Weight: 
114.00gr
Description

Piece of garnet lherzolite from mantle transition zone (300-450 km deep). It contains deep purple red, gemmy pyrope grains up to 10 mm frozen in matrix mainly consisting of green chromian diopside. The red of the pyropes is brighter than on the pictures, even in sunlight.

"Arami Alp, Gorduno, Bellinzona, Riviera, Ticino, Switzerland" is the classic locality for this rare type of rock.

Mineral Data
What's on the rock

Pyrope

Formula: 
Mg3Al2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
7.5
Streak: 
White
Type Locality: 
Czech Republic

Chromian Diopside

Variety Of: 

Diopside

Formula: 
CaMgSi2O6
Strunz: 
9.DA.15
Hardness: 
5.5 - 6.5
Formula: 
(Ca,Cr)MgSi2O6
Hardness: 
0.0
Colour: 
Green

Seller Information

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