 | | Report (issue) | | = 11.87(1) X-ray Powder Pattern: San Benito Co., California, USA. 2.801 (100), 2.967 (72), 3.011 (48)...23 24.52 0.03 2.76 2.1 [99.89] (1) Mina Numero Uno, California, USA; by electron microprobe, Li, RE, and...serpentinite (Mina Numero Uno, California, USA); in veins cutting metagraywacke (prospect, San Benito Co., California...California, USA). Association: analcime. Joaquinite-(Ce), neptunite, natrolite, albite, actinolite, crossite...crossite, benitoite, Distribution: From Mina Numero Uno, south side of Clear Creek; at the Gem mine; |  | | Journal (article/letter/editorial) | | University Benitoite SAN BENITO COUNTY, CALIFORNIA IN KEEPING WITH the California state theme of this...occurrence in spectacular specimens to a single California location. Descriptions of various aspects of...specimen mineral and use as a gemstone (it is the California state gem), and its unique crystallography can...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 (article/letter/editorial) | | natrolitefil1ed veins at the Benitoite Gem mine, San Benito County, California, closely associated with neptunite and...average of 20 electron and ion microprobe San Benito County, California analyses over several crystals yields...Fe20s 0.16, MnO 0.035, MgO 0.111, University of California, Santa Barbara, CA 93106 CaO 0.045, SrO 0.051...Na20 0.67, K20 2.70, Nb205 0.022, University of California, Berkeley, CA 94720 H20 5.9, total 99.952, giving...Berkeley, California. INTRODUCTION For the past 70 years the Benitoite Gem mine in San Benito County, California |  | | Journal (issue) | | in e ra l fro m th e B e n ito ite G em M in e , San B e n ito C o u n ty, C a lif o r n ia ............lf Pabst, Jam es R. H in th o rn e Artinite fro m San B e n ito C o u n ty , C a lifo r n ia ............ike S y s te m , M e sa G ra n d e D is tric t, San D ie g o C o u n ty , C a lifo r n ia .............T h e N atural History M useum of Los A ngeles County 487 b y P e te r C K e lle r a n d A n th o n y...K a m p f M in e ra ls o f th e Blue Bell M ine, San B e rn a rd in o C o u n ty , C a lifo rn ia . . |  | | Journal (issue) | | Benitoite from the New Idria District, San Benito County, California Brendan M. Laurs, William R. Rohtert...the world, the Benitoite Gem mine, in San Benito County, California. This historic locality continues to...& Erica Van Pelt––Photographers, Los Angeles, California. Color separations for Gems & Gemology are by...New York, New York Mary L. Johnson Carlsbad, California Kurt Nassau P.O. Lebanon, New Jersey John Emmett...Anthony R. Kampf Los Angeles, California George Rossman Pasadena, California Emmanuel Fritsch Nantes, France |  | | Catalog/List | | mass in Calcite.(Dark Star Mine,Ravalli County, Montana USA) 1 x H £2.50 1x1 £4 040 BITYITE Li and Be...white cleavages in Muscovite. (Harding Mine,Taos County, New Mexico) 1x1 £3.50 1x2 £7 097 CHLOANTHITE (variety...micro's on matrix. (Getchell Mine,Humboldt Co . Nevada USA) 5mm £4 151 LEUCOSPHENITE Ba Na Ti B SiO Blue massive...Fe TeO OH fairly sparse, green crusts on matrix. (San Miguel Mine Moctezuma Mexico) 1cm piece £ 5 5mm £3... About 7mm mass (Bulldog Mine, Creede, Mineral County,Colorado U.S.A) £4 439 STRACZEKITE Ca K Ba V 0 |  | | Catalog/List | | SO/4 OH magnification there arc small crystals County, Arizona -------------"'--------'-'--'----'--____;;...Pure grey cleavable massive Crystal peak, Park County, Colorado, USA Keystone, South Dakota U.S.A. 1"...grained mass in calcite Dark Star Mine,Ravalli County, Ix½ £2.50 lxl £4 ANCYLITECe CeSr CO/3 Montana...ANDESINE Feldspar richly distributed in Porphyry. San Jose Mine, Oruro, Bolivia 6x6mm £3 Pure grey metallic...lx2 £2 mixture with Chrysotile, pale grey-green County Bridge Quarry,Lizard ,Cornwall MgFeSiO massive |  | | Catalog/List | | distributed in Porphyl)·. Pure grey metallic mass San Jose Mine. Oruro, Bolivia 6x6mm £3 23 ANHYDRITE...Scotland mixture wilhChrysotile, pale grey-green ✓ County Bridge Quarry.Lizard C . ornwall massive. Stitchtitc...Norway for this location. Dooneen M ine,Allihies,County lliick rich green mass as coating all over Cork...Toocle with i\damite.nic<: coverage. Type Loe. County,Utah, USA rich brown crystalline mass ✓ Bclstonc Consols...in and on matrix. Bristol Silver mine.Lincoln County. Nevada . U.S.A Unusual hollow pinkish pebble with |
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Mina Numero Uno, Picacho Peak, San Benito County, California, USA