Tandon Gems
Stone guide

Grandidierite

Grandidierite, a rare teal blue-green silicate from Madagascar, Mohs 7.5.

At a glance

Hardness (Mohs)See description
FamilySee description
Where it is minedSee description
Catalog shapesNuggets, Rondelles
Strands listed5

Grandidierite strands

Catalog examples. Contact us to confirm current photographs, price, and availability.