1) Orthorhombic mineral 2) Silver mineral
Found on
https://www.crosswordclues.com/clue/empressite
Empressite is a mineral form of silver telluride, AgTe. It is a rare, grey, orthorhombic mineral with which can form compact masses, rarely as bipyrimidal crystals. Recent crystallographic analysis has confirmed that empressite is a distinct mineral with orthorhombic crystal structure, different from the hexagonal Ag5-xTe3 with which empressite ha...
Found on
http://en.wikipedia.org/wiki/Empressite
No exact match found.
