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Minasgeraisite-(Y)

Type Locality
Jaguaraçu pegmatite (José Miranda mine; José Pinto mine; Carneirinho mine), Jaguaraçu, Minas Gerais, Brazil
Mineral Data
CaBe2Y2Si2O10
Strunz: 
9.AJ.20
Physical Properties
Crystal System: 
Monoclinic
Hardness: 
6.0 - 7.0
Tenacity: 
brittle
Synonyms
Synonyms: 
Minasgeraisite-Y, Minasgeraisite Y and Minasgeraisite - Y