Barite
barium sulfate
BaSO4

Blue Barite on Calcite Matrix
Chalk Cliffs, Stoneham, Colorado
Collected on 2 Oct 2008

Fluorite and Barite on Limestone
Blanchard Mine, Hansonburg District, New Mexico
Collected on 22 Mar 2004
barium sulfate
BaSO4
Blue Barite on Calcite Matrix
Chalk Cliffs, Stoneham, Colorado
Collected on 2 Oct 2008
Fluorite and Barite on Limestone
Blanchard Mine, Hansonburg District, New Mexico
Collected on 22 Mar 2004