Sunday, 10 November 2013
Friday, 8 November 2013
Sunday, 3 November 2013
|Anglesite from Ouida, Morocco|
Kunzite from Minas Gerais, Brazil.
|Aquamarine in feldspar. Skardu, Pakistan.|
Spinel from Mogok, Burma.
|Calcite from Chihuahua, Mexico.|
Heliodor from Zhytomyr Oblast, Ukraine.
|Dioptase from Tsumeb, Nambia.|
Peridot from Indus River, Pakistan.
|Rosasite from Durango, Mexico.|
Tarbuttite from Karas Region, Nambia.
|Fire Agate - Only found in northern Mexico and the southwestern United States.|
Fire Opal - From the state of Querétaro, Mexico.
Friday, 1 November 2013
Black opal is the rarest and most valuable type. It is generally found as a bar (or bars) of various colours forming natural water horizontals in dark grey to black "potch nobbies" or "nodules". The unique patterns are as complex as an artist's imagination.
|99.9% of the world's supply of this radiant, dark lustrous gem is mined at only two tiny pinpoints on the globe - Lightning Ridge and Mintabie, Australia.|
|Coober Pedy, an Aboriginal name meaning "White man in a hole", adequately describes the mines and miners' dwellings - burrows dug into the scarp, in order to escape the soaring temperatures of the day and the freezing winds at night.|