/r/Minerals
Mark as read: Add to a list
Hübnerite (manganese tungsten *oxide) from Ruby mine, Galena mountain, San Juan Co., Colorado. *Hübnerite is an oxide, not a tungstate, as it contains no tungstate tetrahedra.
Mark as read: Add to a list
Mark as read: Add to a list
Mark as read: Add to a list
Gray valentinite (antimony oxide) with iridescent stibnite (antimony sulphide) from Lac Nicolet Antimony mine, Saints-Martyrs-Canadiens, Québec, Canada.
Mark as read: Add to a list
Mark as read: Add to a list