Rare Bivalve Mollusks Clam Shell Opal Fossil Lightning Ridge Fossilized Opal 42.5Ct 29x15mm

Thousand Planet Auction House Treasure Auction Day, all major kinds of Mineral, you will find in today's auctions. Join us and add our auction into your calendar. Today auction including Artifacts, Mi

10 ct. Lightning Ridge opal and diamond dinner ring set in 14K white gold mounting. Oval black opal measuring 13 mm x 10 mm x approx. 3.7 mm and containing 12 round brilliant diamonds with a total wei

18kt yellow gold, oval cut opal ring, "Lightning ridge like" measuring approx. 17.25 x 13 x 4.7 mm. with fine blue and green play of color, weighing approx. 5.90 cts., 9.5 grams. note: opal has light

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An Antique 18K and Platinum Tie Pin with Stunning Lighting Ridge Black Opal with Distinguished Harlequin Pattern • Black Opal Measures 7mm x 10mm x 2.6 mm / 1.01 Carat Approx • Surrounded by

A Rare Gorham Narragansett Aesthetic Sterling Serving Spoon 9.5''x3.25''. Figural gold washed shell bowl with a stem composed of figural fish, mussel, conch and clam shells. Excellent original conditi

A fine and rare monumental natural shell now raised on wrought iron display stand. Size: Shell width 37" overall height 37" x 23"depth.

Pre-Columbian, southern Mexico to Guatemala, Proto-Maya to Maya culture, ca. 300 BCE to 900 CE. An exceedingly rare and endearing bird pendant or pectoral carved from thick slab of giant clam shell ad

A fine and rare monumental natural shell now raised on wrought iron display stand. Size: Shell width 37" overall height 37" x 23"depth.

ANGELA CUMMINGS FOR TIFFANY & CO., A RARE OPAL, CARNELIAN, ROCK CRYSTAL AND HARDSTONE LILY BANGLE, 1970S in 18ct yellow gold, the hinged bangle inlaid with opal, polished carnelian, rock crystal and p

SSP. An incredibly rare and beautiful piece of early Shell Aviation Gasoline advertising showing a bright red clamshell graphic with yellow wings showing "Aviation Service" across. Sign shows a beauti

DST. A very early and scarce piece of Circa 1920's Tin Advertising from Shell Gasoline. This is an unusually tough to find piece in collectible grade and this is one of the finest examples known. COND

SSP. Thermometer shows a Patent Date of March 16th, 1915. A bright and beautiful example of this very scarce Porcelain Service Station Thermometer from Shell Gasoline and Motor Oil showing Clamshell g

SSP. An outstanding piece of unique and seldom seen Circa 1920's Porcelain Signage from Shell Gasoline showing an early shaped Clamshell graphic as well as unusual Shell block lettering. CONDITION: Si

SSP. Sign is Maker Marked Burdick & Dated 1931. An absolutely outstanding condition piece from Shell Oil Company and most likely the finest known example of this early Porcelain Sign. Sign shows iconi

An Extremely Rare and Excellent Quality Majolica ‘Shells’ Teapot and Cover. The ovoid body and spout formed as brightly glazed oyster and clam shells with pink coral handle, the cover formed as a

DST. A very scarce piece of Circa 1940's Tin Service Station Signage from Shell Gasoline & Motor Oils advertising "Home Clean Rest Rooms". Sign shows a large Shell with light bursting graphic througho

Very Rare Tiffany & Co. 32ct+ Cherry Fire Opal 2.50ctw Diamond Extra Long Platinum Dangle Earrings w/ BoxDescription:Amazing presentation on these 3inch+ long articulated platinum dangles, featuring f

9.76CT Natural Opal VS clean clarity Brilliant rays of orange, greens and some reds A true holographic effect Opal is NOT a dublet 20 X 14 mm 1.60ct. diamonds Rounds and full cuts. H-color, Vs-2 clari

Western Europe, Germany, Jurassic period, ca. 183 to 175.6 million years ago. A superb ammonite fossil (Arietites sp.) with excellent shell structure - prominent ribs and some suture patterning! The s

North America, Canada, Alberta, Bearpaw formation, late Cretaceous, ca. 71 million years ago. A beautiful ammonite fossil has formed a fiery iridescence across the surface known as ammolite- an exceed

SUPERB PRECIOUS GEM AMMOLITEPlacenticeras costatumUpper CretaceousBearpaw Formation, Alberta, CanadaSo beautiful are these rare ammonite fossils that the transformed material of their shell lining has

TIFFANY STUDIOS NAUTILUS LEADED ART GLASS DESK LAMP, green and opal tiles within a copper-foil nautilus shell frame, raised on an adjustable base, signed to the underside with the Tiffany Glass &

NAILSEA NAUTILUS MINIATURE LAMP, two-toned blue and opal with eight groups of loops, satin finish, shell-form font with colorless applied base, raised on four stylized legs, matching patterned six-poi