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Stilbite On Hornblende

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LBB65827

Stilbite On Hornblende

Classic Locality

Description Tabs

Description
Locality: 
Malmberget, Gällivare, Norrbotten County, Sweden
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3 × 3 cm
Largest Crystal: 
47.00cm
Description

A hornblende crystal that has some stilbite crystals. It is covered with small pyrite crystals and small chalkopyrite.

 

Mineral Data
What's on the rock

Stilbite

Synonym Of: 

Stilbite-Ca

Formula: 
NaCa4[Al9Si27O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0

Stilbite-Na

Formula: 
(Na,Ca,K)6-7[Al8Si28O72]·nH2O
Strunz: 
9.GE.10
Hardness: 
3.5 - 4.0
Hardness: 
3.5 - 4
Colour: 
White
Streak: 
White

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
Lennart Borg

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