1) Borate mineral 2) Tin mineral
Found on
https://www.crosswordclues.com/clue/tusionite
Tusionite is a rare colorless to transparent to translucent yellow brown trigonal borate mineral with chemical formula: MnSn(BO3)2. The mineral is composed of 18.86% manganese, 40.76% tin, 7.42% boron, and 32.96% oxygen. It is a late stage hydrothermal mineral and occurs rarely in granite pegmatites in miarolitic cavities. Tusionite was named for ...
Found on
http://en.wikipedia.org/wiki/Tusionite
No exact match found.
