1) Magnesium mineral 2) Sodium mineral
Found on
https://www.crosswordclues.com/clue/crossite
Crossite is an inosilicate double chain sodic amphibole and is a rare silicate mineral belonging to the riebeckite group. It is considered an intermediate between the amphiboles glaucophane and magnesioriebeckite, which form a series. IMA status: discredited 1997. Crossite is named after Charles Whitman Cross, an American USGS petrologist. ...
Found on
http://en.wikipedia.org/wiki/Crossite
No exact match found.
