Grandidierite
at-auction$ 20
- Locality
- Anosy Region, Tulear Province, Madagascar
- Minerals
- Grandidierite
- Dimensions
- 1.3 x 1.1 x 0.8 cm
- Size class
- Thumbnail
- SID
- H386
Partial crystal of translucent blue green Grandidierite specimen with crystal faces on both sides, which is uncommon. Grandidierite is a rare magnesium aluminum borosilicate first discovered in 1902 in the Anosy Region of Madagascar and often appears on lists of the 10 rarest gems in the world. Highly translucent with great color. Weighs 1.3 grams.