Olmiite on Calcite from N Chwanning II Mine, Kuruman, Republic of South Africa [OLMIITE4]
Olmiite on Calcite
N Chwanning II Mine, Kuruman, Republic of South Africa
Wulfenite from Wulfenite from Villa Ahumada, Sierra de Los Lamentos, Chihuahua, Mexico [WULFENITE3]
Wulfenite
Wulfenite from Villa Ahumada, Sierra de Los Lamentos, Chihuahua, Mexico
Dioptase from Altyn-Tyube, Karagandy Oblast, Kazakhstan [DIOPTASE1]
Dioptase
Altyn-Tyube, Karagandy Oblast, Kazakhstan
Smithsonite from Tsumeb Mine, Tsumeb, Namibia [SMITHSONITE5]
Smithsonite
Tsumeb Mine, Tsumeb, Namibia
Garnet var. Hessonite from Jeffrey Mine, Asbestos, Quebec, Canada [HESSONITE7]
Garnet var. Hessonite
Jeffrey Mine, Asbestos, Quebec, Canada
Lapis Lazuli (polished and carved) from Sar-e-Sang, Badakhshan Province, Afghanistan [LAPIS4]
Lapis Lazuli (polished and carved)
Sar-e-Sang, Badakhshan Province, Afghanistan

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Zoisite Var. Tanzanite from Merelani Mine, Lelatema Mountains, Arusha Region, Tanzania


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(click on the pictures to enlarge)

Zoisite Var. Tanzanite from Merelani Mine, Lelatema Mountains, Arusha Region, Tanzania [db_pics/pics/tanzanite6a.jpg] Zoisite Var. Tanzanite from Merelani Mine, Lelatema Mountains, Arusha Region, Tanzania [db_pics/pics/tanzanite6b.jpg] Zoisite Var. Tanzanite from Merelani Mine, Lelatema Mountains, Arusha Region, Tanzania [db_pics/pics/tanzanite6c.jpg] Zoisite Var. Tanzanite from Merelani Mine, Lelatema Mountains, Arusha Region, Tanzania [db_pics/pics/tanzanite6d.jpg]



TANZANITE6 - Zoisite Var. Tanzanite
$ 695.00 (=~ AUS$ 1079.29)
Merelani Mine, Lelatema Mountains, Arusha Region, Tanzania
thumbnail - 2.25 x 1.1 x .9 cm

Tanzanite is a gem form of zoisite, found only in the Arusha region of Tanzania. Mining is very deep, as gemstones easily go for $250 - $1000+ per carat. Crystals are also produced, of varying quality given largely that anything with a gemmy area within it gets cut. Also most are dinged, so getting pristine specimens is very difficult. Most pieces are heat treated, which mimics the natural geology that gives the crystals that amazing blue-purple color. The mines are incredibly deep and long term future production is in question.

It weighs 21.37 carats (4.27 grams). It is a vibrant blue-purple with remarkable gemminess through out. The termination is pristine. The side near the bottom has a slight sheered spot that under the microscope is a crystallied face, so this happened while in the pocket and still growing.(it's very hard to spot) The main front face has some raised triangles (known as screw distortions to geologists), overall a great crystal, with flashes of purple when looking at it from the side.




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