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Allanite-(Y)

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SHS768635

Allanite-(Y)

Description Tabs

Description
Locality: 
Gloserheia, Froland, Agder, Norway
Class: 
Massive/Crystalline
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.2 × 4 × 3.2 cm
Description

Nice piece of allanite-(y)

Mineral Data
What's on the rock

Allanite-(Y)

Formula: 
{CaY}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05b
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.5
Colour: 
Black