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Afmite

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RSL586496

Afmite

Type Locality

Description Tabs

Description
Locality: 
Fumade, Tarn, Occitanie, France
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.8 × 1.6 cm
Description

Afmite is a rare aluminium phosphate named after of my beloved Association Française de Microminéralogie (AFM, IMA 2005-025a), but approved in 2010). In this sample we can enjoy rich groups of "open book" white (they are transparent) aggregates of tabular crystals. From the Type Locality and one of the only three localities known worldwide. SEM-EDS analysis will be sent to the buyer.

Mineral Data
What's on the rock

Afmite

Formula: 
Al3(OH)4(H2O)3(PO4)(PO3OH)·H2O
Strunz: 
8.DD.15
Hardness: 
0.0
Type Locality: 
Phosphate occurrence, Fumade, Castelnau-de-Brassac, Tarn, Midi-Pyrénées, France
Analysis
Analysis Report - only: Afmite