Sanidine
at-auction- Locality
- Itrongay, Betroka, Anosy Region, Madagascar
- Minerals
- Sanidine
- Dimensions
- 4 x 3.3 x 2.7 cm
- Size class
- Miniature
- SID
- M840
Feldspar is a mineral not ususally known for fine collector gem crystals, but at this locality in Madagascar, amazing water clear crystals are sometimes found. This is a thick, gemmy crystal in good condition, with a cleaved faces on one side and a chip on the top termination. The crystal is well terminated and is also partially terminated on the bottom. The crystal has a good yellow coloration and is internally transparent. It's not perfect but it's large and impressive. Weighs 55.5 grams.