Fine Gems, Lapidary Arts and Natural History 2021-12-07 Auction - 392 Price Results - Bonhams in CA
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Fine, Large 'Paraiba-type' Blue TourmalineMorganite, Green Beryl and Enamel Clock by ManfredBlack Opal with Multi-color Fire
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Los Angeles, CA, United States
Auction Details

Fine Gems, Lapidary Arts and Natural History

Fine Gems, Lapidary Arts and Natural History
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24
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Ametrine by Mark Oros: Ametrine by Mark OrosAnahi Mine, BoliviaOf rectangular outline, this internally flawless ametrine has an excellent demarcation line which is approximately 50/50%. The crown has been faceted with
2001: Ametrine by Mark OrosEst. $700-$900
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Benitoite Rough and Cut: Benitoite Rough and CutSan Benito County, CaliforniaAn excellent pairing which shows the crytallography of benitoite, comprising a thumbnail specimen with the classic combination of mineral
2003: Benitoite Rough and CutEst. $1,500-$2,500Lot Passed
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Large Beryl var. Morganite: Large Beryl var. MorganiteA large cushion-shaped pink beryl which is expertly cut to display the high degree of clarity possessed by this stunning gem. Weighing approximately 63.72 carats and
2004: Large Beryl var. MorganiteEst. $3,000-$5,000
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Cat's Eye Calcite: Cat's Eye CalcitePakistanA pretty example of a stone infrequently seen, an elongated oval cabochon of sea-foam green calcite which has an excellent and central cat's eye at the apex of its dome.
2005: Cat's Eye CalciteEst. $800-$1,000
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Cerussite: CerussiteCarved by Art GrantTsumeb, NamibiaA rare stone for the collector due to its large size, unusual smoky color, and excellent luster. The present gem example of cerrussite is exceptional in
2006: CerussiteEst. $6,000-$8,000Lot Passed
Rare Vanadium Chrysoberyl: Rare Vanadium ChrysoberylTanzania A brilliant-cut pear-shape with pastel green color, this natural Chrysoberyl owes its unique color to the presence of vanadium. The combination of large size for the
2007: Rare Vanadium ChrysoberylEst. $70,000-$80,000Lot Passed
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Chrysoberyl var. Alexandrite and Diamond Ring: Chrysoberyl var. Alexandrite and Diamond RingOrissa, IndiaCentering on a circular-cut alexandrite, weighing approximately 1.14 carats, surrounded by full-cut brilliant diamonds, together weighing
2008: Chrysoberyl var. Alexandrite and Diamond RingEst. $2,500-$3,500
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Chrysoberyl var. Alexandrite: Chrysoberyl var. AlexandriteRussiaA heart shaped brilliant-cut alexandrite having excellent luster and color-change from bluish-green to purple depending on whether viewed under incandescent or
2009: Chrysoberyl var. AlexandriteEst. $4,000-$5,000Lot Passed
Fine, Large Alexandrite: Fine, Large AlexandriteEast Africa Named for Tsar Alexander II, this rare and beautiful gem, of top quality, is hardly used in modern jewelry due to its rarity. In antique Russian jewelry you may
2010: Fine, Large AlexandriteEst. $120,000-$180,000Lot Passed
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Fancy Colored Diamond: Fancy Colored DiamondA pear-shaped brilliant-cut fancy brown-purple diamond with a known weight of 0.24 carats, measuring 4.64 x 3.60 x 2.39mmFootnotes:Accompanied by a Gemological Institute of
2013: Fancy Colored DiamondEst. $1,200-$1,500
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Fine Emerald: Fine EmeraldAfghanistan A fine, bright emerald which has been faceted as a square emerald-cut with very good transparency and bright green hue. Weighing approximately 3.54 carats and measuring 9.50
2015: Fine EmeraldEst. $12,000-$15,000Lot Passed
Emerald: EmeraldEthiopiaAn appealing oval-cut emerald, having excellent transparency for the species, exhibiting a rich green hue and excellent luster. Weighing approximately 3.19 carats and measuring 12.63 x
2016: EmeraldEst. $10,000-$15,000Lot Passed
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Emerald and Pyrite Cabochon: Emerald and Pyrite CabochonColombiaThis large oval cabochon of emerald exhibits natural veining of pyrite throughout as well as some areas of white calcite. A large and impressive stone with
2017: Emerald and Pyrite CabochonEst. $900-$1,200
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Emerald: EmeraldColombiaThis is an exemplary emerald which has been faceted as an emerald-cut to best show off the high degree of clarity relative to the species of emerald. The color is milky green with fine
2018: EmeraldEst. $8,000-$10,000Lot Passed
Rare Enstatite: Rare EnstatiteTanzaniaA silicate mineral in the pyroxene group, enstatite is well known to collectors but little known to the public at large. The mineral is suitable for jewelry as it has a hardness
2019: Rare EnstatiteEst. $1,500-$2,000Lot Passed
Feldspar var. Yellow Orthoclase: Feldspar var. Yellow OrthoclaseA large fine, pear-shaped yellow orthoclase which displays excellent luster and clarity. Weighing approximately 55.08 carats and measuring 40.31 x 23.52 x 13.53mm
2020: Feldspar var. Yellow OrthoclaseEst. $2,500-$3,000Lot Passed
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Feldspar: Gem Moonstone Bead Necklace: Feldspar: Gem Moonstone Bead NecklaceTanzaniaCut in Idar-Oberstein, GermanyA single strand necklace, composed of German custom-cut beads of silver-grey moonstone with fabulous transparency in sizes
2021: Feldspar: Gem Moonstone Bead NecklaceEst. $5,500-$7,500
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