1) Bismuth mineral 2) Lead mineral 3) Orthorhombic mineral
Found on
https://www.crosswordclues.com/clue/aikinite
Aikinite is a sulfide mineral of lead, copper and bismuth with formula PbCuBiS3. It forms black to grey or reddish brown acicular orthorhombic crystals with a Mohs hardness of 2 to 2.5 and a specific gravity of 6.1 to 6.8. It was originally found in 1843 in the Beryozovskoye deposit, Ural Mountains. It is named after Arthur Aikin (1773–1854), an...
Found on
http://en.wikipedia.org/wiki/Aikinite
No exact match found.
