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Ludwigite

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SHS749262

Ludwigite

Description Tabs

Description
Locality: 
Stabbygruvan, Stabby, Norrtälje, Stockholm County, Sweden
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3.5 × 1.8 cm
Description

Nice ludwigite in matrix

Mineral Data
What's on the rock

Ludwigite

Formula: 
Mg2Fe3+(BO3)O2
Strunz: 
6.AB.30
Crystal System: 
Orthorhombic
Hardness: 
5.0
Type Locality: 
Ocna de Fier (Vaskö-Moraviţa; Vaskö-Moravicza; Eisenstein), Ocna de Fier-Dognecea District, Banat Mts, Caraş-Severin Co., Romania