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Montgomeryite

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CR1031552

Montgomeryite

Rare Mineral

Description Tabs

Description
Locality: 
Mina Julita, Garcirrey, Salamanca, Castile & León, Spain
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2.5 × 1.7 cm
Description

Beautiful red to beige montgomeryite crystal clusters of thin, tabular crystals on matrix.

Very good and rare specimen from an old quarry in Northern Spain.

Collected in the 1990s

SEM-EDS analysed

Mineral Data
What's on the rock

Montgomeryite

Formula: 
Ca4MgAl4(PO4)6(OH)4·12H2O
Strunz: 
8.DH.25
Hardness: 
4.0
Type Locality: 
Clay Canyon, Fairfield, Oquirrh Mts, Utah Co., Utah, USA