Tanzanite (Zoisite) - image 1
Photo by Tom Spann

Tanzanite (Zoisite)

W

Will Johnson
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Tanzanite (zoisite), 3.6 cm, from the Merelani mine, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania. Will Johnson collection; Tom Spann photo.

Product details

Species
Zoisite, TanzaniteAbout Zoisite →
SizeMiniature
Dimensions3.6 cm
Added on02/13/2026
Locality
Tanzania, Manyara Region, Merelani HillsRegional guide →
Publications
  • Mineralogical Record Flawless Beauty page 108

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.