Sanidine
at-auction$ 250
- Locality
- Itrongay, Betroka, Anosy Region, Madagascar
- Minerals
- Sanidine
- Dimensions
- 2.5 x 2.1 x 1.8 cm
- Size class
- Thumbnail
- SID
- M836
Felspar 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 terminated crystal in good condition with just minor chipping, crystallized all around. The crystal has a good yellow coloration and is internally transparent. Weighs 18.7 grams.