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Allanite-(La)

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ZLT957584

Allanite-(La)

Analysed

Description Tabs

Description
Locality: 
In den Dellen Quarries, Niedermendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
0.8 × 1 × 0.9 cm
Description

Thin tabular, transparent, brown crystals of allanite -(La) in a vug of a sanidinite. Part of an analysed sample. Biotite and very small pyrochlore crystals are also present in other vugs on the specimen (not visible in this picture).FOV 0.8 mm.

Mineral Data
What's on the rock

Allanite-(La)

Formula: 
{CaLa}{Al2Fe2+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05b
Crystal System: 
Monoclinic
Hardness: 
6.0
Streak: 
Brown
Type Locality: 
Buca della Vena Mine, Ponte Stazzemese, Stazzema, Apuan Alps, Lucca Province, Tuscany, Italy

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