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Bustamite & Chevkinite-(Ce)

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SHS755830

Bustamite & Chevkinite-(Ce)

Description Tabs

Description
Locality: 
Wingertsberg, Niedermendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 0.8 × 1 cm
Description

Bustamite and chevkinite on matrix, old analyzed piece

Mineral Data
What's on the rock

Bustamite

Formula: 
CaMn2+(Si2O6)
Strunz: 
9.DG.05
Hardness: 
5.5 - 6.5
Streak: 
White
Type Locality: 
Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA

Chevkinite-(Ce)

Formula: 
(Ce,La,Ca,Th)4(Fe2+,Mg)(Fe2+,Ti,Fe3+)2(Ti,Fe3+)2(Si2O7)2O8
Strunz: 
9.BE.70
Crystal System: 
Monoclinic
Hardness: 
5.0 - 5.5
Colour: 
black
Type Locality: 
Pit No. 17, Ilmen Natural Reserve, Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...
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