20hhgd.is ((HOWELITE)), $10 MINIMUM BID, U.S. Borax Mine, Kramer Borate deposit, Boron, Kern Co., California, 6 x 6 x .5 cm , Miniature | |
Howelite slab which is sawn and polished on one side and natural on the other side. Grey colored Tick Canyon Howelite is more common than the brown colored nodules from Boron. ex Jim Minette collection. |