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Hydroxycalciomicrolite
Type Locality
Volta Grande mine (Mibra mine), Nazareno, São João del Rei pegmatite province, Minas Gerais, Brazil
Mineral Data
Ca
1.5
Ta
2
O
6
(OH)
Physical Properties
Colour:
brown
Hardness:
5.0 - 0.0
Tenacity:
brittle
