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Armalcolite Enstatite Tridymite & Fluorophlogopite

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TPX572158

Armalcolite Enstatite Tridymite & Fluorophlogopite

Rare Mineral

Description Tabs

Description
Locality: 
La Aljorra Quarries, La Aljorra, Cartagena, Murcia, Spain
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8 × 7 × 4.2 cm
Weight: 
153.00gr
Description

Very interesting specimen of lamproite totally filled with vacuoles full of crystals of armalcolite, enstatite, trydimite and flourofphogopite. This specimen is a delight for lovers of the micros.

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

Enstatite

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

Tridymite

Formula: 
SiO2
Strunz: 
4.DA.10
Crystal System: 
Triclinic - Pedial
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Cerro San Cristóbal, Mun. de Pachuca, Hidalgo, Mexico

Fluorophlogopite

Formula: 
KMg3(AlSi3O10)(F,OH)2
Strunz: 
9.EC.20
Hardness: 
2.0 - 3.0
Type Locality: 
Mt Calvario, Biancavilla, Etna Volcanic Complex, Catania Province, Sicily, Italy
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