SMOKY AND AMETHYST QUARTZ
A double terminated 4 cm quartz crystal from Tafelkop, Namibia.
A combination of smoky, water-clear and amethyst quartz. The amethyst is formed like an internal cylinder. Inclusions of small negative quartz crystals, hematite and goethite.
Some of the prism faces have windows.
Astrid Haugen & Hans Vidar Ellingsen Collection.