9ecmwg ((HANKSITE)), $10 MINIMUM BID, Searle's Lake, Boron, California, 9.5 x 8.5 x 6.5 cm, Cabinet | |
A group of grey translucent crystals of Hanksite which are also soluble in water. To keep from desiccating coat with mineral oil once a year or so. Also some associated white Tincalconite on the reverse. |