£1.50 – £4.50
Smokey quartz mineral specimens collected from Iveland, Norway, these highly crystalline samples are a dark grey colour and may have sharp edges, caution is advised. The colour is due to natural irradiation during the formation process, samples are available in various sizes and come supplied in a card tray with a data label.
Smokey quartz is a dark variaiton of quartz, it is often transluscent and a shade of black or grey however, some specimens may be completely opaque and black. The colour is due to free silicon at the time the quartz was forming, formed from silicon dioxide from natural radiation. These particular mineral specimens are of massive smokey quartz, where the pieces have a highly crystalline texture that individual crystals can not be seen. They were collected by staff from Iveland, Norway and have a very dark grey colouration to them. Available in various sizes, the samples will come supplied in a card tray with an information label.