Wulfenite on Dioptase

Tiger specimens are highly collectible, and this one is from an old collection and originally purchased from Sharpe Osmundson, a railroad entrepreneur who traveled the country selling to the likes of Ed Over. The piece is two sided with compact masses of dioptase with dozens of tiny butterscotch wulfenites.

Locality: Tiger Mine, Mammoth, Arizona

Composition: copper cyclosilicate and lead molybdate