Opal from Lattice quartz occurrence ('Gitterquarz-Fundstelle'), Karibib Constituency, Erongo Region, Namibia
Namibia | |
| [Opal-A var. Opal-AN] E. Schnaitmann, F. Brandstätter, U. Kolitsch and G. Niedermayr (2008): Die „Gitterquarz“-Paragenese aus dem Erongo, Namibia. Mineralien-Welt 20 (1), 55-63. |