9iddbjmis ((TV ROCK aka ULEXITE)), $1 MINIMUM BID, Boron Open Pit Mine, Kramer Borate deposit, Boron, Kerns County, California, 5 x 3 x 1.5 cm, Miniature | |
Here is an unusual curved specimen of Ulexite, a natural fiber optic mineral known as TV rock. Imprints on a paper put on the bottom of the specimen looks like it is just under the surface of the top of the specimen. Usually only the small examples are seen for sale. This example does not show the image transfer but does transfer the light. ex Jim Minette collection. |