Gemstone Images 5.00 Carat Art Deco Sapphire and Diamond Ring, circa 1930. Aventurine Quartz Rough. Azurmalachite Specimen. Photo: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0. Basket Mount Banded Agate Earrings. Translucent opal surrounded by an openwork cartouche which is detailed with intricate granulation and four lustrous pearls. 14k yellow gold with a high carat gold wash. Carved Jadeite Carved Bangle Bracelet. Photo Courtesy of Christie’s. Photo Courtesy of Christie’s. Photo Courtesy of Bonhams. Pale Celadon Carved Jade Plaque c. 19 – 20th Century. Photo Courtesy of Christie’s. Carved Jadeite Peaches c.18th-19th Century. Photo Courtesy of Christie’s. Mid-Century Jadeite “Pi” Cuff Links.
© This Jadeite Cabochon Exhibits a Waxy Luster. A Jade Bi with Two Dragons, Eastern Zhou Dynasty. Jade disc Han Dynasty. Carved Jade Dragon Zhou dynasty c.5th to 4th century B.C. © Trustees of the British Museum. Ancient Amethyst Necklace.
This item is displayed in the Schmuckmuseum in Pforzheim, Germany. Bohemian Garnet Earrings. The Almandines in this Bracelet are Colored by the Absorption of Certain Wavelengths (Colors) by Iron Ions in the Gemstones. Since Iron is an Essential Ingredient of Almandine These Gemstones are Called Idiochromatic. Columbian Emerald Specimen Emerald Roman Emerald and Gold Necklace c.2nd-3rd Century.
© Trustees of the British Museum. French Straight Line Emerald Bracelet. Art Nouveau Black Opal Ring. Stunning Art Nouveau Opal, Diamond and Demantoid Garnet Brooch. Antique Opal Earrings. Carved Opal Scarab Ring. Pearl Nuclei. Pearl Farming. Pearl Luster. Emerald-Cut Aquamarine Bracelet Schlumberger Kashmir Sapphire and Diamond Brooch. Victorian Scottish Agate Brooch. Scottish Agate Brooch. Victorian Scottish Kilt Pin Surmounted by a Cairngorm. Tiffany & Co. Edwardian Blue Spinel and Diamond Brooch. Victorian_Tortoiseshell_Butterfly_Brooch Antique Sapphire and Diamond Horseshoe Pin. Agate Intaglio Carving of a Man Leading a Bull c. 1450-1300 BC.
© Trustees of the British Museum. This Diamond Exhibits an Adamantine Luster. The Term can also Refer to a Diamond’s Extreme Hardness. Moonstone Ring Exhibiting Adularescence. Moonstone Ring with Adularescence. Jewelry from Scottish agate came into fashion after Prince Albert bought Balmoral Castle in 1848 and many lovely examples of this type are highly coveted by collectors today. Akoya Pearl Necklace. Amber Beads. Gem Quality Crystal. Abalone Pearl. Aluvial Gold – Gold Nuggets. A shot of an alluvial fan. These fans develop when a fast flowing narrow stream suddenly widens, allowing the water to slow down and to deposit the particles it carried. Amazonite in Albite Specimen. Photo: Rob Lavinsky, iRocks.com Bloodstone Bow Brooch with American Pearl Pendant. Mid-Century Heart-Shaped Amethyst Ring. Amethyst Necklace c 1830. Image Courtesy of Sotheby’s Ametrine Iridescence can Cause Beautiful Colors on Ammolites. Apatite Edwardian Pendant Featuring an Oval Faceted Aquamarine. Baroque Pearl Ring Large Tsavorite Crystal. Art Nouveau Black Opal Ring. Black Opal and Diamond Ring. Opaque Black Star Sapphire.
Image Courtesy of Lang Anti Blister Pearl Earrings. Georgian Amethyst Riviere with Silver Collets and Gold Backings. 18K Yellow Gold Bracelet Set with Yellowy Orange Amber, German. Multi Gemstone, Biwa Pearl Heavy Gold Cuff Bracelet. Art Deco Pearl Necklace with Cream Body Color. Victorian Carved Bone Hand Motif. Exposed Chrysoprase. Button Pearl Ring. Garnet Earrings. Antique Cat’s-Eye Chrysoberyl and Diamond Ring. Labradorite, Gold and Enamel Stickpin Depicting Bacchus, c. 1890.
Photo Courtesy of Christie’s. Imperial Jadeite and Diamond Art Deco-Style Ring. Victorian Bullseye Agate, 15K Yellow Gold Cuff Links.
© Cave Pearls From the Carlsbad Caverns. Tumbled Chrysocolla. Early 20th Century Pin Centered with a Translucent Oval Cabochon Chrysoprase Chalcedony. Chatham Emerald Cat’s-Eye Chrysoberyl Ring. Image courtesy of Lang Antiques. Paste Used to Simulate Yellow Natural Gemstones in Costume Jewelry. Conch Pearl Ring. Belle Epoque Diamond and Conch Pearl and Diamond Necklace. The Basic Identity of Ruby and Sapphire was Identified. Victorian Cuir Roulé Pin Set with Pinked (Backfoil) Topaz and Grossular Garnets. Cultured Pearl Earrings. Color change spinel. Cut and photographed by J.L. White Example of a Conchoidal (Shell-Like) Fracture in a Piece of Obsidian. Copal with Termites. Cut Spessartite from Loliondo, Tanzania .
Image by Tim Spauwen Round Brilliant-Cut Cubic Zirconia. Chlorastrolite. Victorian Coral Pendeloque Earrings. Medusa Depicted in Coral. Buff-Cut Ox-Blood Coral and Diamond Set Platinum Channels in an Art Deco Ring. A 9.39 carat Cat’s Eye Chrysoberyl is the Star of this Vintage Style Ring. A very included spessartite garnet. This stone has a very low clarity grade of I3. A Carnelian Intaglio from the 1st Century BC. Antique Dendritic Agate and Diamond Brooch. 5.11 Carat Vintage Emerald Ring. Split boules of flame fusion corundum.
Photo by Morion Company Flame Fusion Grown Corundum in Many Colors. Verneuil Ruby Showing Typical Curved Striae Under Magnification. Victorian Garnet Ring Typical, Perfectly Spherical Bubble in Paste Resembling the © Sign. Photo by Tim Spauwen A Bright Blue Piece of Hauyne Under LWUV Light Emitting Orange-Pink Visible Light. Two and Three Phase Inclusions in an Emerald. Freshwater Pearl Braqcelet. Antique Citrine Drop Earrings. Double-Sided Jadeite Carving Depicting a Spectacular Ferocious Fire-Breathing Dragon. Zircon has a Very High Birefringence which is Clearly Visible in this Shot. The Back Facets Appear Doubled.
Image courtesy of Jeffrey Hunt. Druse. Dyed Green Chalcedony, 18 Karat Vintage Hand Fabricated Ring. Victorian Cat’s-Eye Orthoclase Feldspar and Diamond Earrings. Fire Opal and Diamond “Top and Drop” Earrings.
Early 19th Century.
Photo Courtesy of Bonhams. Edwardian Faceted Fire Opal Brooch.
Photo courtesy of Sotheby’s. A Second Typical Feature of Verneuil Corundum: Clouds of Small Gas Bubbles. Glass Filled Ruby. Glass Filled Ruby. Glass Filled Ruby After Acid Attack. Earrings and Brooch with Gold-in-Quartz Plaques, a Style Popularized by the California Gold Rush. Gold-in-Quartz Watch Fob. Halo (Stress Fracture) in a Sapphire Indicating Possible Heat Treatment. Beautiful Example of a Victorian Hawk’s-Eye Ring with Diamond Surround. Natural Amethyst and Heat Treated Amethyst-Gone-Citrine Carved Hornbill Clasp. Microscopic Observations Revealed a Layered Organic Structure Consistent with this Type of Keratin Material. Strong LW UV Fluorescence Further Confirms the Identity of this as Hornbill Ivory. Finely Detailed, High Relief, Floral Carving is Typical of the Designs Carved for the Western Market from this Material During the 19th Century. No Evidence of Artificial Coloration was Observed. Minor Damage in the Form of Chipping was Observed on Several of the Carvings Due to the Layered, Brittle Nature of Hornbill Ivory. The Back of the Piece. Hornbill Jewelry Suite. ‘Watermelon’ Hydrogrossular A Slender, Double Refractive, Crystal of Unknown Composition Causes a Beautiful Image When it’s Host, a Garnet, is Placed in Between Crossed Polars.
Image by Tim Spauwen. These Antique Style Hematite Earrings are a Perfect Example of Metallic Luster. Jade Dragon, Western Han Dynasty
c.202 BC – 9 A.D.Jade Dragon, Western Han Dynasty
c.202 BC – 9 A.D. Jasper Lapis Lazuli Pendant. Victorian Eight-Pointed Star of Rose-Cut Diamonds Radiating from a Burmese ruby Center in a Lapis Lazuli Sky. a 47.32 ct Kunzite, photo courtesy of Constantine Wild, Idar-Oberstein 1.12 Carat Kashmir Sapphire and Diamond Ring. Keshi Pearl Stud Earrings. Oval Kunzite in a Diamond Surround. Jasper Cuff Links. This Zircon Crystal in a Sapphire Gives a Strong Suspicion that its Host has Been Heated by Showing Us a Stress Fracture Around it.
Image by Tim Spauwen Laser Drilled Diamond. The Drill Channels you See are Not All Individual channels, for the most part they’re Reflections.
Image Courtesy of Conny Forsberg, FGA. Georgian Lover’s Knot with Closed Back Set Garnets, c. 1800. Half Pearl Locket. Mabe Pearl RIng. Malachite Cameo. Malachite and 18K Yellow Gold Toucan Cuff Links.
© Dionysus Rendered in Malachite. Rough and Polished Marlborough Material. Melo Melo Pearl. The Modern Centerpiece of this Late Victorian Ring is a Vibrant Purplish Blue Tanzanite – a Gemstone not Discovered Until Nearly Seventy Years After the Mounting was Made. MIssissippi Pearl Pendant. This Art Deco Moonstone Ring is an Excellent Example of a Stone with Vitreous Luster. Morganite Early 20th Century Moss Agate Match Safe. Natural Pearl Ring. Navette Shaped Lapis Lazuli Cabochon with a Diamond Surround.
Photo Courtesy of Frances Klein Classic Jewels. Mother-of-Pearl Dress Set. Gold Nuggets Obsidian Sample. Moonstone and Carved Sapphire Earrings. Sea of Cortez Pearls, Mabes and Keshi from the “Rainbow Lipped Pearl Oyster” Pteria Sterna Exhibiting Orient.
Photo Courtesy of The Sea of Cortez Pearl Blog. Vintage Cat’s-Eye Operculum Cuff Links.
© Nephrite has a Waxy Luster. Ox-Blood Coral Necklace. Paraiba Tourmaline and Diamond Ring and Earrings.
Photo Courtesy of Christie’s. Example of a Paste Sapphire Imitation. Notice the Rounded Facet Edges Which Tell Us the Stone Wasn’t Cut, but Cast into a Model.
Photo by JB. Petrified Tree in Petrified Forest National Park, USA. Image by Daniel Schwen, Sept 4th, 2004. Unusual Victorian Brooch Featuring a 17.0 Carat Peridot Cameo with Diamond Surround. Platinum Nugget Prase Prasiolite. Pyrite Quahog Pearl. Rhodochrosite Rhodocrosite Rhodonite Burmese Sapphire Crystal.
An Example of a Monocrystalline Material.
Photo by crystal-treasure.com. Sapphires come in various colors.
Photo by Apsara.co.uk. A selection of gem corundum colors.
Photo by Apsara.co.uk. Scallop Pearl. Sea of Cortez Pearls. Rare Native Silver Protruding from a Galena-Baryte Host Which in Itself Would be an Ore for Silver. Silver Nugget Slide 2 Slide 3 Picture of Trapeze Cut Habachtal Emerald Placed on Host Rock. Trapiche Emeralds. An Entourage Ring Set with Diamonds and Deep Blue Chrysanthemum Cut Topaz. Blue Topaz and Diamond Ring. Rendering of the Early Verneuil Synthesis Machine. Diagram describing the composition of garnets by their trade names. By W. Wm. Hanneman, Ph.D. © W.Hanneman, reproduced by AJU with permission. Slide 12. Old Woodcut from Dieulafait, 1874, of a Man Doing “Visual Optics”. Russian Demantoid Garnet with Horsetail Inclusion. Photo Courtesy of Constantin Wild. Rose Quartz Featured in an Art Deco Ring. Rose Quartz. Synthetic Ruby, Czochralski Boule. Seed Pearl Necklace. Plique-à-Jour Enamel, Diamond and Red Ruby Grape Cluster Brooch. Ruby Crystal. Image Courtesy of Crystal-Treasure.com Saltwater Pearl Necklace. Round Pearl Strand. Royal-Blue Sapphire in a Floral Motif Edwardian Mount. The sapphire in this ring would be colorless if it didn’t contain iron and titanium ion impurities. Gemstones which derive their color from impurities are allochromatic. Carved Sapphire Female Profile. South Sea Pearl Earrings. Smoky Quartz. Serpentine Paten with Gold Inlay Surrounded by Gems in Gold 1st Century BC. In the Collection of the Louvre, Paris. Pin, Bracelet, and Earring Suite by French jewelers, Chaumet. A Selection of Faceted Synthetic Corundum and Spinel. Synthetic Rutile Showing a High Amount of Dispersion.
Image Courtesy of Jeffrey Hunt Tahitian Pearl Ring. Topaz, Garnet, Amethyst and Diamond Brooch,
Photo Courtesy of The Colonial Williamsburg Foundation Three Quarter Pearl Ring. Black and White Pearl Torsade Bracelet. Tortoise Shell Locket and Chain. Tiger’s-Eye Quartz Carved for a Gentleman’s Ring. 950’s Platinum Earrings Set with Diamonds and Rubelitte Tourmalines. Carved Oval Turquoise with Arabic Characters Set In a Victorian Brooch. Tiger’s-Eye A Translucent Sapphire. A Tell-Tale Feature of Verneuil Corundum: Curved Stria. Vintage Blue Zircon RIng. Zircon, While Highly Dispersive, has a Subadamantine Luster. Thulite (Green) with Ruby (Red) Wild Hauyne Helmut Shell. Trade in Turquoise Crafts, such as this Freeform Pendant Dating from 1000–1040 CE, is Believed to have Brought the Ancestral Puebloans of the Chaco Canyon Great Wealth. Pink Topaz Jewelry Collection. Moldavite from Besednice, Bohemia. Ancient Insects are Often Preserved in Amber. A 16 Ton Boulder at the Excavation. A 16 Ton Boulder at the Excavation. A six-facet Rose A six-facet Rose Cleaved Dodecahedral Crystal Princess Length. Slide 1. Pink Topaz Parure: Fall 1986 G&G Cover Illustration. Alabaster Carving on Onyx Background. Andalusite var. Chiastolite. Alexandrite and Diamond Ring. Almandine Garnet Ring. Wild Strawberry Brooch with Amazonite Leaves. Amethyst Brooch. Antique Demantoid Garnet Earrings. Aquamarine Ring. Ametrine Diamond and Opal Dragonfly Brooch.
Photo Courtesy of Christies. Alabaster Sculpture.
Photo Courtesy of Christies. Pair of Seaman Schepps Amber Ear Clips.
Photo Courtesy of Christies. Benitoite Specimine, Diablo Range, San Benito County California. Antique Bloodstone Seal. Calcite Calcite Carnelian Intaglio Ring. Art Deco Chalcedony, Amethyst, Glass and Diamond Bracelet by Black Starr and Frost. Scottish Chalcedony and Citrine Brooch. Chrysoprase and Lapis Bypass Ring. French Japonesque Cinnabar, Diamond and Onyx Jabot Pin. Vintage Citrine Bracelet. French Coral Demi Parure. Asscher-Cut Diamond Ring. 7.41 Carat European-Cut Diamond Drop Earrings. Grossular Diopside. Epidote Crystals Feldspar var. Moonstone. Tsavorite Garnet Ring. Mario Buccellati Coral and Ivory Bangle. Carved Natural Jade Pendant. Natural Burmese Jadeite Earrings. Kashmir Sapphire and Diamond Ring Kunzite and Diamond Ring. Kyanite and Moonstone Bracelet. Arts and Crafts Labradorite Brooch. Mallorca Pearl. Black Enamel and Marcasite Pendant Watch Orange Fire Opal and Diamond Ring. Moh’s Scale of Hardness. Photo Courtesy of the National Park Service. Art Nouveau Montana Sapphire and Pearl Pin. Moss Agate Ring by Allsopp Brothers.