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Aeschynite-(Y)

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PDM823715

Aeschynite-(Y)

Description Tabs

Description
Locality: 
Mølland Quarries, Iveland, Agder, Norway
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.6 × 3.2 × 2.7 cm
Largest Crystal: 
1.70cm
Description

Black prismatic and well-defined crystals of aeschynite-(Y) imbedded in a matrix of feldspar, quartz and biotite. The main crystal is incomplete but many other crystals are perfectly terminated.

Bought in 1988 by Johann Muizebelt.

Mineral Data
What's on the rock

Aeschynite-(Y)

Formula: 
(Y,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Strunz: 
4.DF.05
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 6.0
Type Locality: 
Urstad Feldspar Mine, Hidra (Hitterø), Flekkefjord, Vest-Agder, Norway

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