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Romanèchite & Pyrolusite

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Romanèchite & Pyrolusite

Description Tabs

Description
Locality: 
Pervomayskoye Deposit, Kryvyi Rih Raion, Dnepropetrovsk Oblast, Ukraine
Class: 
Massive/Crystalline
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.9 × 4.5 × 4 cm
Description

Very interesting specimen of Mn ore from Nikopol'skoe Mn deposit (Ukraine) consist of Romanechite and Pyrolusite, probably with other Mn minerals.

Mineral Data
What's on the rock

Romanèchite

Formula: 
(Ba,H2O)2Mn5O10
Strunz: 
4.DK.10
Hardness: 
5.0 - 6.0
Type Locality: 
Manganese deposit, Romanèche-Thorens, La Chapelle-de-Guinchay, Saône-et-Loire, Burgundy, France

Pyrolusite

Formula: 
MnO2
Strunz: 
4.DB.05
Hardness: 
2.0 - 6.5

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