21hhdw.ir ((LUDWIGITE, CALCITE)), $15 MINIMUM BID, Spring Mountain Mining District, Lemhi County, Idaho, 6.5 x 5.5 x 4 cm, Miniature | |
Here is a Miniature of these large Ludwigite cryystals from Idaho where the Calcite is etched to reveal the crystals. This specimens still have some remnant white Calcite. Dana Wilson MD collection. |