Merelani Hills (Mererani), Lelatema Mts, Arusha Region, Tanzania

25 x 7 x 7 mm
second two measurements taken at the base of the crystal, weight: 11.25 ct
9.8 x 2.8 x 2.8 in

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A well formed, elongated Tanzanite crystal with a tapered termination with one, beveled face. Very gemmy but with internal cleavages which precludes it from being cut except for very small stones. The color is highly dichroic being bright blue when viewed from one side and purple when viewed at a perpendicular angle. The surfaces are smooth with a high luster.

Condition: Very Good

Flaws: There are internal fractures and a small on one of the edges below the termination.

This mineral is also found in the following galleries: Minerals From Africa | Sorosilicates | Minerals Priced Between 300 and 499 Dollars