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- Availability
- Sold
- Locality
- Sapucaia mine, Galileia, Doce valley, Minas Gerais, Brazil
- Formula
- Na10Ca6Mg18Fe2+25(PO4)36
- Size
- 0.9 x 0.6 x 0.3 cm - Thumbnail
- Tagged
- phosphate, pegmatite mineral
A small chip with resinous black Johnsomervilleite.