 | | Journal (article/letter/editorial) | | University Benitoite SAN BENITO COUNTY, CALIFORNIA IN KEEPING WITH the California state theme of this issue...occurrence in spectacular specimens to a single California location. Descriptions of various aspects of...mineral and use as a gemstone (it is the California state gem), and its unique crystallography can be...Professor George Louderback of the University of California soon found the mineral t o be a new species and...type benitoite locality, located in San Benito County, California, is at the southern end of the Diablo |  | | Journal (issue) | | Man-Made Collectibles VOL. 47 ISSUE 6 CALI’S STATE GEM: JUNE 2017 “ANCIENT LIFE” AGATE: A Collector’s...Collection Corundum Carver RICHARD SIPE ROCK & GEM • Vol 47 No. 06 • U.S. $5.99 • Issue Code: 2017-06...BENITOITE 10 These blue “diamonds” are California’s state gem. By Bob Jones A STONE OF MY OWN 16 Ancient Life...heat-colored copper. 34 By Rick Olmstead 48 ROCK & GEM KIDS 46 A LUCKY ROCKHOUND’S 80-YEAR ODYSSEY Part...Jones 56 STONES THAT SPEAK 56 Corundum calls to gem sculptor Richard Sipe. By Warren L. Hollar HARD |  | | Book (volume) | | Director The Bowers Museum of Cultural Art Santa Ana, California + GEMSTONES OF EAST AFRICA by Peter C....Nevada; blue, cushion cut topaz (25.30 ct), Ramona, California; brownish yellow octagonal calcite (21.30 ct)...ct), Ramona, California; deep red cushion cut rhodochrosite (25.56 ct), Sweet Home Mine, Colorado; colorless...Kern County, California; octagonal step cut violetish pink kunzite (26.61 ct), Pala, California. NECKLACE...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75 | | | Book (volume) | | Director The Bowers Museurn of Cultural Art Santa Ana, California GEMSTONES OF EAST AFRICA by Peter C. Keller...red-orange spessartine garnet ( 16.62 et), Ramona, California; deep red cushion cut rho...Kern Cowny, California; octagonal seep cut violetish pink kunzite (26.61 et), Pala, California. NECKLACE...blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75 diainonds... His works are known to almost every collector, gem cutter, gemologist, and mineralogist. His writings |  | | Catalog/List | | QUARTZ CRYSTAL WITH TOURMALINE Barra de Salinas Mine, Barra de Salinas, Minas Gerais, Brazil This specimen...Sierra Blanca, White Mountain Wilderness, Lincoln County, New Mexico At one time this spectacular locality...coal, the district is now down to one operating mine and probably that one will close in the not too...CT 19 38029 RHODONITE BOULDER Evelyn Creek Mine, Yukon Territory, Canada This large boulder of fantastic...38030 LARGE STROMATOLITE BOULDER Cliff Erie Mine, Minnesota, USA Stromatolites are the fossil remains of |
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California State Gem Mine, Santa Rita Peak, San Benito County, California, USA