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Aeschynite-(Y)

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PDM813115

Aeschynite-(Y)

Description Tabs

Description
Locality: 
Iveland, Agder, Norway
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 1.9 × 1.8 cm
Description

Black prismatic and very aerial aeschynite-(Y) crystals imbedded in quartz. The top is a contact with the matrix and it has a tinny chipping at a corner.

Collected by J.Sibtsen in 1975-77. Ex Jan Sibtsen #3956.

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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