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Nioboaeschynite-(Ce)

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ZLT629715

Nioboaeschynite-(Ce)

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Description
Locality: 
In den Dellen Quarries, Niedermendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.2 × 2.5 × 2 cm
Description

Selected paqrt of a sanidinite ejection block with some black nioboaeschynite-(Ce) crystals.(~1.5 mm) Part of an analyzed sample.

Mineral Data
What's on the rock

Nioboaeschynite-(Ce)

Formula: 
(Ce,Ca,Th)(Nb,Ti)2(O,OH)6
Strunz: 
4.DF.05
Hardness: 
5.5
Streak: 
brown
Type Locality: 
Vishnevye Mts (Vishnyovye; Cherry), Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...

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