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Hornblende In Feldspar

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GND59094

Hornblende In Feldspar

Description Tabs

Description
Locality: 
Radium Creek, Mount Painter, Arkaroola Region, Flinders Ranges, South Australia, Australia
Size Range: 
Cabinet (10-18 cm)
Size: 
11.7 × 5.5 × 4.7 cm
Description

Dark green hornblende crystals in a pink feldspar matrix. The feldspar is most likely the orthoclase var. microline, but would need analysis. An attractive and unusual cabinet specimen.

Mineral Data
What's on the rock

Hornblende

Synonym Of: 

Ferro-hornblende

Formula: 
☐{Ca2}{Fe2+4Al}(AlSi7O22)(OH)2
Strunz: 
9.DE.10
Hardness: 
5.0 - 6.0

Magnesio-hornblende

Formula: 
☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2
Strunz: 
9.DE.10
Hardness: 
5.0 - 6.0

Feldspar

Group Parent: 
Feldspar Group
Gondwana Minerals