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Ilmenite Actinolite & Chlorite

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CLB548302

Ilmenite Actinolite & Chlorite

ex collection H. Hatton
Classic Locality

Description Tabs

Description
Locality: 
Rotkopf, Zemmgrund, Schwaz District, Tyrol, Austria
Class: 
Combination
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 6.5 × 5.5 cm
Largest Crystal: 
1.90cm
Description

Large, weirdly 'windowed' - twinned? - ilmenite crystals on actinolite-chlorite matrix.

Mineral Data
What's on the rock

Ilmenite

Formula: 
Fe2+TiO3
Strunz: 
4.CB.05
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
5.0 - 6.0
Type Locality: 
Ilmen Natural Reserve, Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...

Actinolite

Formula: 
☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Strunz: 
9.DE.10
Crystal System: 
Monoclinic - Prismatic
Hardness: 
5.0 - 6.0
Streak: 
White

Chlorite

Synonym Of: 

Chlorite Group

Group Parent: 
Chlorite
Crystal System: 
Monoclinic
Hardness: 
2 - 2.5
Colour: 
Green, Grey, Brown
Streak: 
colourless

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