English | Български
Where am I? > Home > Repository > Tanzanite

Gallery view selector

Colour selector
Simple colour schemeredorangey redreddish orangeorangeorangey yellowyellowgreenish yellowyellowish greenslightly yellowish greengreenvery slightly bluish greenbluish greenvery strongly bluish greengreen-blue or blue-greenvery strongly greenish bluevery slightly greenish bluebluevioletish bluebluish violetvioletbluish purplepurplereddish purplestrongly purplish redslightly purplish redcolourlessgreyblack
Tanzanite — specimen 0220, photo © NMNHS
Tanzanite — specimen 0220, photo © NMNHS

Tanzanitespecimen 0220


East Africa
Tanzania, Manyara, Lelatema Mountains, Merelani Hills, 3.58333°S 37.00833°E
Tanzanite — specimen 0220, locality map

Weight: 1.13 ct; size: 8.47 | 5.41 | 3.21 mm; shape: oval; colour: medium blue; very slightly greyish; clarity: eye clean; cut: fair; treatment: heating.

Very clean specimen; mixed style cut with large window.

Other specimens
Tanzanite — specimen 0235Tanzanite — specimen 0363Tanzanite — specimen 0383Tanzanite — specimen 0281Tanzanite — specimen 0460

More information from ‘Classification’

A variety of zoisite with a blue to blue-violet colour. Nearly all tanzanites on the market have been heat-treated to produce this colour. First reported from the Merelani, Lelatema Mts, Manyara, Tanzania.