20btrm.r ((CALCITE)), $10 MINIMUM BID, Blackstone Mine, Shullsburg, Wisconsin, 4.5 x 4 x 4 cm, Miniature | |
Lustrous undamaged Calcite specimen from Shullsburg, Wisconsin. Back and sides have undamaged indents from contact with no longer present side and back crystals of Calcite. ex A.E.Seaman Mineral Museum |