1) Palladium mineral 2) Platinum mineral
Found on
https://www.crosswordclues.com/clue/braggite
Braggite is a sulfide mineral of platinum, palladium and nickel with chemical formula: (Pt, Pd, Ni)S. It is a dense (specific gravity of 10), steel grey, opaque mineral which crystallizes in the tetragonal crystal system. It is the central member in the platinum group end-members cooperite and vysotskite. It was first described in 1932 for an occu...
Found on
http://en.wikipedia.org/wiki/Braggite
No exact match found.
