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Allanite Var Allanite Group

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SHS196760

Allanite Var Allanite Group

Staatliche Mineralien-Niederlage Freiberg, Sa. (Saxony/Germany)
With Antique Label

Description Tabs

Description
Locality: 
Arendal, Agder, Norway
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3.4 × 3 cm
Description

 Nice allanite in matrix

Mineral Data
What's on the rock

Allanite

Synonym Of: 

Allanite-(Ce)

Formula: 
{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05b
Hardness: 
5.5 - 6.0

Allanite-(La)

Formula: 
{CaLa}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05b
Hardness: 
6.0

Allanite-(Y)

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

Allanite Group

Formula: 
{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
Hardness: 
0.0