 | | Report (issue) | | Contents 4 Map: Notable Opal Localities 50 BY BRUCE PAUL GABER 6 The Opal Enigma: Science, History...and Pins Afire: Play of Color in Opal BY MAX WEIBEL Sparkling Opal in Ancient Bones: Precious Relics...vibrant with opal pattern and color. In this extreme close-up of a Lightning Ridge black opal, the field...approximately 3 mm wide. Opal courtesy Jenni Brammall BY ALEX RITCHIE 52 An Opal Glossary of Terms BY...ANN FRAZIER BY PETER HUBER 64 Opal from Mexico: Unsurpassed Fire BY JURGEN SCHUTZ 18 Perfect Conditions |  | | Book (volume) | | The Bowers Museum of Cultural Art Santa Ana, California + GEMSTONES OF EAST AFRICA by Peter C. Keller...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...colorless scheelite (19.66 ct), Kern County, California; octagonal step cut violetish pink kunzite (26...Pala, California. NECKLACE. Vivid blue matched benitoite gems from San Benito County, California, consisting | | | Book (volume) | | 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...cc), 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 |
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Barnett Opal Mine, Silica Gem claims, Last Chance Canyon, El Paso Mountains District, Kern County, California, USA