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Cancrinite & Ilmenite

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SYA993824

Cancrinite & Ilmenite

Bergakademie Freiberg
Type Locality

Description Tabs

Description
Locality: 
Ilmen Mountains, Chelyabinsk Oblast, Russian Federation
Class: 
Combination
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4 × 2.5 cm
Description

Yellow cancrinite and a dark metallic grey ilmenite crystal in nepheline 

(Eläolith)/ feldspar matrix.

 

The Ilmen Mountains are the Type Locality of cancrinite and ilmenite.

 

Ex Bergakademie Freiberg specimen - comes with original card box,

handwritten label and corresponding specimen number.

Mineral Data
What's on the rock

Cancrinite

Formula: 
(Na,Ca,☐)8(Al6Si6O24)(CO3,SO4)2·2H2O
Strunz: 
9.FB.05
Hardness: 
5.0 - 6.0
Streak: 
white
Type Locality: 
Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...

Ilmenite

Formula: 
Fe2+TiO3
Strunz: 
4.CB.05
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
5.0 - 6.0
Type Locality: 
Ilmen Natural Reserve, Ilmen Mts, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia...

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