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Melanotekite & Phlogopite

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BCK830472

Melanotekite & Phlogopite

Type Locality

Description Tabs

Description
Locality: 
Långban, Filipstad, Värmland County, Sweden
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.7 × 3 × 2.7 cm
Description

You are bidding on a miniature sample loaded with hundreds of rough melanotekite crystals in combination with phlogopite that were exposed from the matrix by removing calcite. Rich for the species! 

Mineral Data
What's on the rock

Melanotekite

Formula: 
Pb2Fe3+2(Si2O7)O2
Strunz: 
9.BE.80
Hardness: 
6.5
Type Locality: 
Långban, Filipstad, Värmland, Sweden

Phlogopite

Formula: 
KMg3(AlSi3O10)(OH,F)2
Strunz: 
9.EC.20
Crystal System: 
Monoclinic - Prismatic
Hardness: 
2.0 - 3.0
Streak: 
White

Seller Information

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