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Ankerite & Palygorskite

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AKP972290

Ankerite & Palygorskite

Description Tabs

Description
Locality: 
Morocco
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 3.5 × 2.5 cm
Weight: 
21.00gr
Description

Palygorskite covered by ankerite crystals. Specimen mounted on acrylic base.

Mineral Data
What's on the rock

Ankerite

Formula: 
Ca(Fe2+,Mg)(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.0
Streak: 
White
Type Locality: 
Styrian Erzberg, Eisenerz, Styria, Austria

Palygorskite

Formula: 
(Mg,Al)5(Si,Al)8O20(OH)2·8H2O
Strunz: 
9.EE.20
Hardness: 
2.0 - 2.5
Type Locality: 
Second Mine, Popovka River, Palygorskaya Distance of Perm Railways, Permskaya Oblast', Middle Urals, Urals Region, Russia...

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