Sanidine
at-auction$ 250
- Locality
- Itrongay, Betroka, Anosy Region, Madagascar
- Minerals
- Sanidine
- Dimensions
- 4.2 x 2.6 x 1.7 cm
- Size class
- Miniature
- SID
- M838
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 large, thick crystal in good condition. It's double-terminated with all faces present and a slightly rounded/dimpled appearance, minor edge wear. The crystal has a good yellow coloration and is internally transparent. Weighs 41 grams.