| highly oxidized phosphate nodules in granite pegmatite (South Dakota, USA). Association: Variscite, englishite...whitlockite, carbonate-apatite, robertsite, fairfieldite, englishite (South Dakota, USA). Distribution:...From the Lavra da Ilha pegmatite, in the Jequitinhonha River, three km north of Taquaral, Minas Gerais...Australia. At the Mangualde pegmatite, near Mesquitela, and the Bendada pegmatite, near Guarda, Portugal.... Barcelona Province. At the Sandamap pegmatite, west of Usakos, Namibia. Name: To honor Dr. Arthur Montgomery |
Sandamap pegmatite, Sandamap North Farm 115, Dâures Constituency, Erongo Region, Namibia