Oyelite Bultfonteinite Image |
Mineral: | Oyelite: Ca10B2Si8O29ยท12(H2O) Bultfonteinite: Ca2SiO2(OH,F)4 | |||||
Comments: | White encrustation of oyelite covering brownish botryoidal bultfonteinite. | |||||
Location: | N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. | |||||
Scale: | 2 x 4 cm. | |||||
Copyright: | © John Veevaert | |||||
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