Tanzanite is relatively new compared to other gems as it was discovered in Tanzania in 1962. A vivid blue is thought to be the top colour for Tanzanite but it also comes in a stunning purplish blue to a magical midnight violet blue. Tanzanite has become popular due it's unusual colour which displays different colours from different directions.
A note from Paul Brereton, gemologist: Tanzanite have been in high demand over the past decade as it provides a less expensive alternative gem stone to sapphire. Stones can be readily found up to 10ct is size. Tanzanites have their own grading system. A grade signifies a pale blue/purple colour, AA grade is a mid blue colour, and AAA grade is the stones the have a intense blue/purple colour.
Sources: Tanzania.
Hardness: 6-7 on Mohs scale.
Toughness: Fair to poor.
Tanzanite is an alternative birthstone for December.
To view our collection of Tanzanite jewellery please contact us at webenquiries@brereton.ie.