Citations:television stone
Jump to navigation
Jump to search
English citations of television stone
- 2005, Richard Beatty, Boron, Marshall Cavendish, →ISBN, page 11:
- ... TELEVISION STONE The boron mineral ulexite shows remarkable properties . The mineral is made of sodium , calcium , oxygen , and boron . Ulexite crystals often grow as fibers forming tiny straight lines . When the crystal is polished and […]
- 2018 February 27, ReGina Welling, Erin Lynn, Murder Above the Fold: A Cozy Witch Mystery, Willow Hill Books:
- ... ulexite as I could find. Ulexite, of all things!” “Television stone,” Mag told Clara. She had a catalog of useful information in her head. “When sliced crosswise and polished, it has fiber optic properties. In magic, it's used for […]
- 1968, John Sinkankas, Van Nostrand's Standard Catolog of Gems:
- ... ULEXITE Fibrous ulexite , or " television stone , " is sometimes cut into catseyes and spheres ; while initially taking a good polish , any normally damp atmosphere alters the surface and destroys the polish . Very soft and fragile […]
- 1963, The Journal of Gemmology:
- ... ulexite ( television stone ) , which is able to transmit pictures along the length of the fibrous crystals , are mentioned . R.W. WHITWORTH ( H. F. ) . Amethyst from Onslow , W. Australia . Australian Gemmologist , 1956 , 73 , p . 7 […]