Orcelite, Awaruite, Serpentine Subgroup, Andradite
Josephine Creek placers, Josephine Creek Mining District, Josephine County, Oregon, USA
Polished section of Josephinite pebble in reflected unpolarized light. Pinkish grains of Orcelite are partially replaced by white Awaruite. Conchoidal cavities in Orcelite demonstrate us, that the mineral isn't malleable. Grey granular matrix are silicates - Serpentine and minor Andradite. Analytical data for orcelite are available on the daughter ...
© Pavel M. Kartashov collection & photo