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Pyrope Chromian Diopside & Forsterite

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RHT769902

Pyrope Chromian Diopside & Forsterite

Classic Locality

Description Tabs

Description
Locality: 
Almklovdalen, Vanylven, Møre og Romsdal, Norway
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 4.3 × 3.5 cm
Weight: 
171.00gr
Description

Big cherry-red pyrope grains (on all sides and inside) with deep green chromian diopside, omphacite and yellowish, altered forsterite (olivine) - a garnet-peridotite specimen from Norway.  The locality is not accessible anymore and the remaining material is vanishing from the market.

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

Forsterite

Formula: 
Mg2SiO4
Strunz: 
9.AC.05
Crystal System: 
Orthorhombic
Hardness: 
7.0
Streak: 
White
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy
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