Zoisite var. Tanzanite (Bicolor)

Specimen ID: 631-FWV

Title
Zoisite var. Tanzanite (Bicolor)
Locality
As recorded:
Merelani Hills, Arusha Region, Tanzania
Mindat locality:
Dimensions
22mm x 17mm x 7mm
Description
Unusual, triangular bicolor crystal of tanzanite. The yellow, upper portion has parallel internal dissolution tubes which give it a silky appearance. The gem-quality, purple lower portion is richly colored and clear; it shows fine dichroism with a bright blue color when viewed from the side. The crystal faces are lustrous; the parallel markings in the photo are internal.
Previous data
Mineral(s)
Tanzanite, ZoisiteNone listed
Name withheld

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