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Allanite

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LAM762639

Allanite

Classic Locality

Description Tabs

Description
Locality: 
Nueva Vizcaya Mine, Burguillos del Cerro, Extremadura, Spain
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7 × 7 × 3 cm
Weight: 
150.00gr
Description

Short prismatic crystal of allanite (group) on top of this specimen associated with magnetite octahedrons and tiny green epidote crystals on a hedenbergite matrix. A good example of this locality 

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

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