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Calcite & Palygorskite

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JYJ714907

Calcite & Palygorskite

Description Tabs

Description
Locality: 
Nordmark, Filipstad, Värmland County, Sweden
Class: 
Crystal Group/Cluster
Size Range: 
Cabinet (10-18 cm)
Size: 
10.5 × 5.5 × 5 cm
Description

A large calcite crystal group coated with palygorskite from the famous and historic mining site Nordmark, Sweden. The specimens label is dated to 1977.

 

Mineral Data
What's on the rock

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

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...
Labels
Label Images - only: Calcite & Palygorskite