9iddbe ((BORAX altering to TINCALCONITE)), $10 MINIMUM BID, Kramer Borate Deposit, Boron, Kern County, California, 2.7 x 2.5 x 1.5 cm, Thumbnail, | |
These are from the collection of Milton Carahan purchased by Jim Minette. Boron has vuggy basalts filled with all kinds of interesting zeolite species. Many are small needing a loop or even a microscope to properly view. Here are colorless Borax crystals altering or pseudomorphing to white opaque Tincalconite. |