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Chloritoid

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CAM143425

Chloritoid

Ex University of Amsterdam
With Antique Label

Description Tabs

Description
Locality: 
Gieravardo, Storuman, Västerbotten County, Sweden
Size Range: 
Cabinet (10-18 cm)
Size: 
10.5 × 7 × 2.8 cm
Largest Crystal: 
2.00cm
Description

Dark green chloritoid crystals up to 2 cm in schist.
Collected by Dutch geologist N. Verhoeff in the early 1950's.
Ex Geological Institute of the University of Amsterdam, Netherlands.

Mineral Data
What's on the rock

Chloritoid

Formula: 
(Fe2+,Mg,Mn2+)Al2(SiO4)O(OH)2
Strunz: 
9.AF.85
Hardness: 
6.5
Type Locality: 
Kosoi Brod Village, Ekaterinburg (Sverdlovsk), Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia...

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