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Allanite-(Ce) & Yttrofluorite

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Allanite-(Ce) & Yttrofluorite

Description Tabs

Description
Locality: 
Big Bertha Mine, Middle Camp, Oro Fino, La Paz County, Arizona, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
2 × 3 × 5 cm
Weight: 
49.00gr
Description

Black crystals of allanite together with violet to brown yttrofluorite on matrix.

 

Condition: good.

Mineral Data
What's on the rock

Allanite-(Ce)

Formula: 
{CaCe}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05b
Crystal System: 
Monoclinic
Hardness: 
5.5 - 6.0
Type Locality: 
Qáqarssuatsiaq, Aluk Island, Kap Farvel, Kujalleq, Greenland

Yttrofluorite

Variety Of: 

Fluorite

Formula: 
CaF2
Strunz: 
3.AB.25
Hardness: 
4.0
Formula: 
(Ca1-xYx)F2+x where 0.05< x <0.3
Hardness: 
0.0

Seller Information

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