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Chevkinite-(Ce)

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PDM661941

Chevkinite-(Ce)

With Antique Label

Description Tabs

Description
Locality: 
Madagascar
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.4 × 3.4 × 2.2 cm
Description

Aggregate of brownish black crystals of chevkinite-(Ce) with resinous to waxy lustre. Ex. Ennio Contarini (IT) #555. The specimen has two old original labels with previous names for chevkinite, such as “Tscheffkinite”, Ex. Istituto Geo-Mineralogico Italiano. No further detailed information is provided of the area or locality in Madagascar.

Mineral Data
What's on the rock

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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