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Actinolite & Orthoclase

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PJM45646

Actinolite & Orthoclase

Description Tabs

Description
Locality: 
Harts Range, Central Desert Region, Northern Territory, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
3 × 4.7 × 3.4 cm
Description

Dark green prisms of actinolite in and on orthoclase crystals from teh Harts Range in the Northern Territory.

This material was collected in the 1970's when a lot of mineral exploration was taking place.

Mineral Data
What's on the rock

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

Orthoclase

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Hardness: 
6.0
Streak: 
White
Earthstones Australia

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