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Aeschynite

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ESM685253

Aeschynite

Description Tabs

Description
Locality: 
Iveland, Agder, Norway
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
2 × 4.7 × 3.3 cm
Description

A brown aeschynite crystal in biotite/microcline matrix

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