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Hornblende & Hydroxylapatite

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LBB523713

Hornblende & Hydroxylapatite

Classic Locality

Description Tabs

Description
Locality: 
Snarum, Modum, Viken, Norway
Class: 
Single Crystal
Size Range: 
Cabinet (10-18 cm)
Size: 
11 × 4 × 1 cm
Largest Crystal: 
10.80cm
Weight: 
110.00gr
Description

A singel hornblende- with small hydroxyapatite on the outside from Norway.

Mined: 
1994
No Labels
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

Hydroxylapatite

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

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