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Fersmanite & Apatite

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MLS622933

Fersmanite & Apatite

Type Locality

Description Tabs

Description
Locality: 
Vuonnemiok River Valley, Khibiny Massif, Murmansk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 3.7 × 2.4 cm
Description

Older sample of fersmanite with apatite from the typelocality

Mineral Data
What's on the rock

Fersmanite

Formula: 
Ca4(Na,Ca)4(Ti,Nb)4(Si2O7)2O8F3
Strunz: 
9.BE.72
Hardness: 
5.5
Type Locality: 
Vein No. 1 of Labuntsov, 3rd left tributary of Vuonnemijok river (Astrophillytovyi stream), Eveslogchorr Mt, Khibiny Massif, Kola peninsula, Murmanskaja Oblast', Northern Region, Russia...

Apatite

Synonym Of: 

Chlorapatite

Formula: 
Ca5(PO4)3Cl
Strunz: 
8.BN.05
Hardness: 
5.0

Fluorapatite

Formula: 
Ca2Ca3(PO4)3F
Strunz: 
8.BN.05
Hardness: 
5.0

Hydroxylapatite

Formula: 
Ca5(PO4)3(OH)
Strunz: 
8.BN.05
Hardness: 
5.0
Crystal System: 
Hexagonal
Hardness: 
5
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