Jouravskite on Xonotlite
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This piece is rich with the extremely rare , especially crystalized, yellow jouravskite which is secondary to the coating of radiating fibrous xonotlite on which they rest. A contemporary find that may never be duplicated.
Locality: NChwaning 3 Mine, Kalahari Manganese Fields, Near Kuruman, South Africa
Composition: Calcium Manganese Sodium Silicon Aluminum Manganese Carbonate-sulfate