5btxl.iss.ers ((SIDERITE pseudomorphs after CALCITE, CALCITE)) $50 MINIMUM BID, Level 640, La Sirena Mine, Guanajuato, Guanajuato, Mexico, 11 x 6.5 x 4 cm, Cabinet, | |
Excellent Mexican pseudomorph of lustrous brown Siderite crystals which pseudomorphed scalenahedral crystals of Calcite. Associated non pseudomorphed translucent Calcite crystals also present. No damage. |