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Diopside & Andradite

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RHT611260

Diopside & Andradite

Classic Locality

Description Tabs

Description
Locality: 
Dalen, Tokke, Vestfold og Telemark, Norway
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
12.4 × 7.5 × 1.7 cm
Weight: 
393.00gr
Description

A slice of a retrograded corona-eclogite, one side polished. There's green diopside (from other sources:  augite-plagioclase symplectite) and brown, altered andradite/grossular.

Mineral Data
What's on the rock

Diopside

Formula: 
CaMgSi2O6
Group Parent: 
Clinopyroxene Subgroup
Strunz: 
9.DA.15
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.5
Streak: 
white

Andradite

Formula: 
Ca3Fe3+2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Drammen, Buskerud, Norway
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