Home » "native sulfur" El Desierto Mine" "Alfredo Petrov" "Tucson Gem and Mineral Show" "hyalite opal" "volcanic fumaroles" covellite
Tampilkan postingan dengan label "native sulfur" El Desierto Mine" "Alfredo Petrov" "Tucson Gem and Mineral Show" "hyalite opal" "volcanic fumaroles" covellite. Tampilkan semua postingan
Tampilkan postingan dengan label "native sulfur" El Desierto Mine" "Alfredo Petrov" "Tucson Gem and Mineral Show" "hyalite opal" "volcanic fumaroles" covellite. Tampilkan semua postingan
Add Comment

Alfredo Petrov and an Opal Sulfur Dilemma

S omething is different  in Tucson this year. Alfredo Petrov and his inventory of  mostly unusual specimens with precise handwritten labels...
Read More
Langganan: Postingan (Atom)