18btsr.ist ((SCHAURTEITE, LUDLOCKITE on CALCITE)), $70 MINIMUM BID, Tsumeb Mine, Namibia, 4 x 3 x 2.5 cm, Miniature | |
Small brown crystals of the rare species Ludlockite on white Calcite. Also the rare species Schaurteite occurring as a small white paste on the grey matrix. ex Wm. Duncan Reismeyer #T137 |