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Aeschynite-(Y) - Kåbuland, Iveland, Agder, Norway (#:MINS8387)

Old specimen. Black aeschynite-(Y) xl (priorite) without matrix.

Formula :
(Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6

System: orthorhombic Hardness:5-6 Rarity:not common
Strunz id:IV/D.21-10 - OXIDES and HYDROXIDES
Name origin: For its relationship to Aeschynite-(Ce), with yttrium as the dominant rare-earth element.

Specimen weight:60 gr.
Crystal size:-
Overall size: 37mm x 15 mm x 15 mm

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Aeschynite-(Y)  - Kåbuland, Iveland, Agder, Norway

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