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Tridymite & Enstatite

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HCL96589

Tridymite & Enstatite

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Description
Locality: 
La Aljorra Quarries, La Aljorra, Cartagena, Murcia, Spain
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 4.5 × 2 cm
Description

  Balls of microcrystals of tridymite with pseudobrookite and ensteatite  

Mineral Data
What's on the rock

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

Enstatite

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

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