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Ludwigite

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Ludwigite

Description Tabs

Description
Locality: 
Persberg, Filipstad, Värmland County, Sweden
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.2 × 4.6 × 3.7 cm
Description

Ludwigite crystals 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 (Vask√∂-MoraviŇ£a; Vask√∂-Moravicza; Eisenstein), Ocna de Fier-Dognecea District, Banat Mts, CaraŇü-Severin Co., Romania