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Hydroxylapatite & Hornblende

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KAT971056

Hydroxylapatite & Hornblende

Classic Locality

Description Tabs

Description
Locality: 
Snarum, Modum, Viken, Norway
Class: 
Single Crystal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
2.6 × 3 × 2.4 cm
Description

multi-faced, lustrous white/greyish hydroxylapatite, combined with dark green hornblende - no matrix

Mineral Data
What's on the rock

Hydroxylapatite

Formula: 
Ca5(PO4)3(OH)
Strunz: 
8.BN.05
Crystal System: 
Hexagonal
Hardness: 
5.0
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

Seller Information

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