Locality: Kramer Pit, Kramer Borate deposit, Boron, Kramer District, Kern County, California, USA
Size: 77 mm x 10 mm x 8 mm (3.0 in. x 0.4 in. x 0.3 in.)
Weight: 9 g (0.3 oz.)
Translucent white kernite crystal covered by a fine layer of tincalconite, an alteration product from the dehydration of the kernite. The tincalconite gives this crystal a white powdery appearance. Ex. T. Henderson, ex. W. Wall.