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Allanite Group

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Allanite Group

Classic Locality

Description Tabs

Description
Locality: 
Nueva Vizcaya Mine, Burguillos del Cerro, Extremadura, Spain
Class: 
Single Crystal
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 0.6 × 0.5 cm
Description

originally described as allanite-(La), based on data published by Del Tanago et al. (2002) as “macroscopic La-dominant allanite and REE-rich epidote crystals”. These crystals are zoned crystals containing allanite with Ce>La,allanite with La>Ce, and REE-rich epidote. Only thin zones within the crystals contain sufficient REE to qualify as allanite-(La), and the La dominant material were too scarce to adequately describe allanite-(La) as a new mineral.

Mineral Data
What's on the rock

Allanite Group

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

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