Grandidierite
at-auction$ 20
- Locality
- Anosy Region, Tulear Province, Madagascar
- Minerals
- Grandidierite
- Dimensions
- 1.6 x 1 x 1 cm
- Size class
- Thumbnail
- SID
- K331
Blocky specimen of translucent blue green Grandidierite. 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. Weighs 3.29 grams.