![Gemstones / Natural resources / Chemistry / Neptunite / San Benito River / Crystallography / Cyclosilicates / Benitoite Gemstones / Natural resources / Chemistry / Neptunite / San Benito River / Crystallography / Cyclosilicates / Benitoite](https://www.pdfsearch.io/img/acc1b44a5f6d7425e3613c32401277b5.jpg) Date: 2013-10-28 14:20:57Gemstones Natural resources Chemistry Neptunite San Benito River Crystallography Cyclosilicates Benitoite | | NOTE BENITOITE 11 CALIFORNIA STATE GEM CALIFORNIA GEOLOGICAL SURVEY
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