1) Barium mineral 2) Magnesium mineral 3) Trigonal mineral
Found on
https://www.crosswordclues.com/clue/benstonite
Benstonite is a mineral with formula Ba6Ca6Mg(CO3)13. Discovered in 1954, the mineral was described in 1961 and named after Orlando J. Benston (1901–1966). ==Description and occurrence== Benstonite is translucent and white, pale yellow, or pale yellow-brown in color. The mineral occurs as cleavable masses; cleavage fragments are nearly perfectly...
Found on
http://en.wikipedia.org/wiki/Benstonite
No exact match found.
