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Sederholmite

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SKY879417

Sederholmite

Rare Mineral

Description Tabs

Description
Locality: 
Kuusamo, North Ostrobothnia, Finland
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.2 × 2 × 0.1 cm
Description

Brass-yellow metallic crystal aggregates of the very rare nickel selenide mineral sederholmite from the TL and only known locality worldwide in Finland.

Probably analyzed by the former owner of the specimen (the Vandenbroucke Museum) since both sides of the specimen are polished , but the analysis is no longer available.

Ex Vandenbroucke Museum collection from Waregem, Belgium.

Mineral Data
What's on the rock

Sederholmite

Formula: 
beta-NiSe
Strunz: 
2.CC.05
Hardness: 
2.5 - 3.0
Type Locality: 
Kitka River Valley, Kuusamo, Northern Finland Region, Finland

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