Calcite, Minerva No. 1 Mine, Cave-in-Rock District, Southern Illinois, ex. Roy Smith Collection, Small Cabinet, 6.0 x 6.2 x 6.5 cm, $25. Online Dec. 12.
NSMW13513
Group of creamy white calcite crystals showing typical scalenohedral form. A few crystals are lightly tipped but still a good example of this type of calcite.