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Enstatite & Armalcolite

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DLN125719

Enstatite & Armalcolite

Description Tabs

Description
Locality: 
La Aljorra Quarries, La Aljorra, Cartagena, Murcia, Spain
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 1 cm
Description

Enstatite in light brown arrowed crystals associated to a armalcolite, a curious mineral (tabular dark brown crystals) that has its type locality in the Moon !!. The name is from ARMstrong, ALdrin and COLlins, the first men who traveled to the moon in 1969. More precisely, the mineral belongs to the armalcolite-pseudobrookite series. NOTE.Shipping costs are intended for Certified Mail. If you prefer the cheaper ordinary mail, please ask.

Mineral Data
What's on the rock

Enstatite

Formula: 
MgSiO3
Group Parent: 
Orthopyroxene Subgroup
Strunz: 
9.DA.05
Crystal System: 
Orthorhombic - Dipyramidal
Hardness: 
5.0 - 6.0

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
DLN Minerals

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