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Ludwigite

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MNR760500

Ludwigite

Description Tabs

Description
Locality: 
Praskov'e-Evgen'evskaya kop', Medvedevka, Kusinsky District, Chelyabinsk Oblast, Russian Federation
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.4 × 5.8 × 3.1 cm
Description

Very good needle ludwigite all across the sample. This piece comes from old  Russian collection. Uncommon locality.

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