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Hydrotalcite & Magnetite & Serpentine

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SKY1023799

Hydrotalcite & Magnetite & Serpentine

Rare Mineral

Description Tabs

Description
Locality: 
Dypingdal, Snarum, Modum, Viken, Norway
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3 × 2.5 cm
Description

A nice combination of hydrotalcite, magnetite and serpentine from Norway.

Ex Vandenbroucke Museum collection from Waregem, Belgium.

Mineral Data
What's on the rock

Hydrotalcite

Formula: 
Mg6Al2(OH)16[CO3]·4H2O
Strunz: 
5.DA.50
Crystal System: 
Trigonal
Hardness: 
2.0
Streak: 
White
Type Locality: 
Dypingdal Serpentine-magnesite deposit, Snarum, Modum, Buskerud, Norway

Magnetite

Formula: 
Fe2+Fe3+2O4
Strunz: 
4.BB.05
Crystal System: 
Isometric
Hardness: 
5.5 - 6.5
Streak: 
Black

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