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Epidote & Microcline

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RAK869888

Epidote & Microcline

Description Tabs

Description
Locality: 
Strzegom, Gmina Strzegom, Świdnica County, Lower Silesian Voivodeship, Poland
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
3.7 × 8 × 7.3 cm
Description

Several big beige colored Microcline crystals richly covered by lustrous, acicular green Epidotes. Some of the Microcline faces are totally clean of both the Epidote and the black manganese-oxide mineral also present. There are small yellow spots of an unidentified mineral which probably is Stilbite. An interesting specimen with a lot of details from this classic Polish locality.

Mineral Data
What's on the rock

Epidote

Formula: 
{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05a
Crystal System: 
Monoclinic
Hardness: 
6.0
Streak: 
Colorless
Type Locality: 
Bourg d'Oisans, Isère, Rhône-Alpes, France...

Microcline

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Triclinic - Pinacoidal
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Arendal, Aust-Agder, Norway

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