Moving mountains for you
Switch currency

Current Live Auctions

Current Live Fixed Price Sales

Nepheline Apatite & Amphibole

Views:
Watches:
SER185953

Nepheline Apatite & Amphibole

Description Tabs

Description
Locality: 
Graulai Quarry, Hillesheim, Eifel, Rhineland-Palatinate, Germany
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5.5 × 2.1 cm
Description

Numerous white hexagonal crystals of nepheline with acicular apatite and green amphibole

Mineral Data
What's on the rock

Nepheline

Formula: 
(Na,K)AlSiO4
Strunz: 
9.FA.05
Hardness: 
5.5 - 6.0
Type Locality: 
Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy

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

Amphibole

Synonym Of: 

Amphibole Supergroup

Formula: 
AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Hardness: 
0.0
Item Toolbox