Tanzanite (a variety of Zoisite) - image 1
Photo by Tom Spann

Tanzanite (a variety of Zoisite)

F

Forever Collection
0 for sale
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Tanzanite (a variety of zoisite), 9 cm, from the Merelani mine, located on the slopes of the Lelatema Mountains in the Manyara Region, about 70 km southeast of the town of Arusha, Tanzania. Gem-quality tanzanite showing pronounced trichroism (different colors in three different directions) was first found there in 1968. Forever Collection; Tom Spann photo. Reference: Wilson et al., 2009.

Product details

Species
Zoisite, TanzaniteAbout Zoisite →
SizeSmall Cabinet
Dimensions9.0 cm
Added on02/13/2026
Locality
Tanzania, Manyara Region, Merelani HillsRegional guide →
Publications
  • Mineralogical Record Flawless Beauty page 2

Known provenance

DateCollectorAcquisition price
—Will JohnsonNot disclosed

Learn more

Zoisite
Mineral guide
Learn about Zoisite
, a mineral with gem varieties like tanzanite, thulite, and anyolite; prismatic crystals, pleochroism, and key localities such as Merelani Hills.
Zoisite
Regional guide
Zoisite from Merelani Hills, Tanzania
from Merelani Hills, Tanzania — blue-violet crystals with strong pleochroism, sharp form, and gem-like transparency; key collector details.