Yellow Fluorite from Moscona Mine, Spain TD3869 chalcedony The high silica content of

The high silica content of the lava it forms from gives obsidian its smooth

It is a type of feldspar mineral with the chemical composition (Na

and the climatic conditions they lived in

Quartz with Rutile and Brookite from Pakistan

Yellow Fluorite from Moscona Mine, Spain TD3869 chalcedony The high silica content ofYellow Fluorite Approx. Dimensions: 3 x 2. 75 x 1. 5 inches Approx. Weight: 237 grams Locality: Moscona Mine, El Pontn de Sols, Corvera de Asturias, Asturias, Spain Acrylic stand and putty are not included. Known for its yellow fluorite specimens, the Moscona Mine in northern Spain was registered in 1968. It has produced millions of specimens of barite, fluorite, dolomite, and calcite. These yellow fluorite specimens are known for their beautiful