Ulexite-199600
(c) Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
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744 x 800 Pixel (127987 Bytes)
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Ulexite
- Locality: Boron, Kramer District, Kern County, California, USA (Locality at mindat.org)
- Size: 4.7 x 4.5 x 3.1 cm.
- The borate deposits of California have produced some really beautiful/unusual mineral specimens. Few are as unusual as ulexite, also called "TV rock" for its fiber-optic-like optical properties. This particular specimen is composed of white, knobby masses of parallel-growth fibers. Ex. Jim Minette Collection.
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Creative Commons Attribution-Share Alike 3.0
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