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Kupletskite

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SHS684350

Kupletskite

ex. dealer stock Peter Bosse (Kassel/Germany)

Description Tabs

Description
Locality: 
Gjerdingselva, Nordmarka, Lunner, Viken, Norway
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.88 × 1.5 × 1.8 cm
Description

Brown kupletskite on matrix

Mineral Data
What's on the rock

Kupletskite

Formula: 
(K,Na)3(Mn,Fe)7Ti2Si8O26(OH)4F
Strunz: 
9.DC.05
Crystal System: 
Triclinic
Hardness: 
4.0
Streak: 
Brown
Type Locality: 
Kuivchorr Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...