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Armalcolite

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JYJ817261

Armalcolite

Description Tabs

Description
Locality: 
La Aljorra Quarries, La Aljorra, Cartagena, Murcia, Spain
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.9 × 1.9 × 1.5 cm
Description

Brownish tabular armalcolite associated with red-brown azoproite, tridymite, sanidine and fluorphlogopite. 

 

Mineral Data
What's on the rock

Armalcolite

Formula: 
(Mg,Fe2+)Ti2O5
Strunz: 
4.CB.15
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 0.0
Colour: 
Grey
Type Locality: 
Tranquillity Base (Apollo 11 landing site), Mare Tranquillitatis (Sea of Tranquility), The Moon