Quartz from La Encrucijada, Santa Ana de Velasco, Velasco Province, Santa Cruz, Bolivia
Bolivia | |
| [var. Amethyst] Kempff, O., Paar, W.H., Tawackoli, S.: "Minerales de Bolivia", 115pp (La Paz, 2009) |
Bolivia | |
| [var. Amethyst] Kempff, O., Paar, W.H., Tawackoli, S.: "Minerales de Bolivia", 115pp (La Paz, 2009) |