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Rutile

Type Locality
Rutile locality, Horcajuelo de la Sierra, Madrid, Spain
Mineral Data
TiO2
Strunz: 
4.DB.05
Physical Properties
Crystal System: 
Tetragonal - Ditetragonal Dipyramidal
Hardness: 
6.0 - 6.5
Tenacity: 
brittle
Synonyms
Synonyms: 
Golden Rutile, Rutil and Rutilo