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Aeschynite

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CHA770326

Aeschynite

Classic Locality

Description Tabs

Description
Locality: 
Triolet Glacier, Courmayeur, Aosta Valley, Italy
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 1.7 × 1 cm
Description

specimen with a very nice black tabular crystal of aeschynite on matrix.

For value the dimension of the crystals I remenber you that the photos of my specimens are taken at only 20/40 enlargement! 

Mineral Data
What's on the rock

Aeschynite

Synonym Of: 

Aeschynite-(Ce)

Formula: 
(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Strunz: 
4.DF.05
Hardness: 
5.0 - 6.0

Aeschynite-(Nd)

Formula: 
(Nd,Ce,Ca)(Ti,Nb)2(O,OH)6
Strunz: 
4.DF.05
Hardness: 
5.0 - 6.0

Aeschynite-(Y)

Formula: 
(Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Strunz: 
4.DF.05
Hardness: 
5.0 - 6.0

Nioboaeschynite-(Ce)

Formula: 
(Ce,Ca,Th)(Nb,Ti)2(O,OH)6
Strunz: 
4.DF.05
Hardness: 
5.5

Nioboaeschynite-(Y)

Formula: 
(Y,Ca,Ce,Nd,Th)(Nb,Ti,Ta)2(O,OH)6
Strunz: 
4.DF.05
Hardness: 
5.0 - 6.0

Tantalaeschynite-(Y)

Formula: 
(Y,Ce,Ca)(Ta,Ti,Nb)2O6
Strunz: 
4.DF.05
Hardness: 
5.5 - 6.0

Seller Information

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