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Gismondine Psm Apatite

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GMN890994

Gismondine Psm Apatite

Description Tabs

Description
Locality: 
Uzsa, Tapolca, Veszprém County, Hungary
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3.5 × 2.5 cm
Description

A thousands of sharp gismondite crystals in the basalt matrix cavity. The white columns are gismondite psm. elongated apatite crystals.

Mineral Data
What's on the rock

Gismondine

Synonym Of: 

Gismondine-Ca

Formula: 
CaAl2Si2O8·4H2O
Strunz: 
9.GC.05
Hardness: 
0.0
Group Parent: 
Zeolite Group

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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