Three Large Mineral Samples and a TrilobiteFossil comprising a selenite crystal cluster, sulfur crystals on a matrix, a large piece of Thunder Bay amethyst and an Ordovician period Pseudogygites latimarginatus trilobite...
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GROUP (4) MINERAL SPECIMENS Includinglarge, pink stilbite crystal on matrix from India; green flourite with sphalerite from China; vanadinite on matrix from Morocco; and clear quartz with large pyrite crystals...
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THREE GEODE MINERAL SPECIMENS IncludingAmethyst Quartz crystals on matrix, likely from Brazil, 4 5/8 x 3 1/8 x 2 1/4 in.; a half geode with white Quartz crystals inside, unsourced, approx. 4 1/2 in. Diam.; and...
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EMERALD IN MATRIX MINERAL SPECIMEN Inmatrix including Quartz, Biotite, and Graphite, possibly from Brazil, 3 x 3 1/4 x 2 in.; mounted on an iron base....
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FIVE SEMI-PRECIOUS GEMSTONE MINERALSPECIMENS Including a rare Trapiche Emerald spoked crystal, from Columbia, approx. 1/8 in. L.; group of Topaz crystals on matrix, Villa Garcia, Zacatecas, Mexico, 1 1/4 in....
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THREE SEMI-PRECIOUS GEMSTONE MINERALSPECIMENS Including a Beryl crystal in quartz, from Sonora, Mexico, 2 1/2 x 1 1/8 x 1 3/4 in.; a watermelon tourmaline, Dunton Quarry, Oxford Co., ME, 3/4 in. Diam.; and a...
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GROUP OF SULPHUR MINERAL SPECIMENS Comprisingtwo samples with Anhydrite Sulphur crystals in matrix from the Grand Isle Mine, a salt dome off the Louisiana coast; a specimen of bright yellow sulphur crystals on matrix,...
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GROUP OF SULPHUR MINERAL SPECIMENS Comprisingfive core samples with Anhydrite Sulphur crystals in matrix from the Grand Isle Mine, a salt dome off the Louisiana coast; Together with a commemorative sulphur cake from...
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CALCITE & OTHER MINERAL SPECIMENS Comprisingfive items, including a group of Calcite crystals on Dolomite, Elmwood Mine, Smith Co., TN, 5 1/4 x 3 3/4 x 1 1/4 in.; a calcite crystal from Howard-Montgomery Quarry, Howard...
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ROGERLEY FLUORITE MINERAL SPECIMEN OnFossil coral matrix, Rogerley Mine, Durham, England; fluoresces blue in sunlight, bright purple under long-wave UV, 4 1/4 x 2 3/4 x 1 5/8 in....
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VANADINITE & OTHER MINERAL SPECIMENSComprising four small and attractive crystal groups, the largest approx. 1 1/4 in. L, including two Vanadinite specimens on matrix, from Mibladen Mining District, Morocco;...
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BARITE, QUARTZ & OTHER MINERAL SPECIMENSComprising seven small and attractive crystal groups, the largest about 1 1/2 in. L, including a Barite crystal from Stoneham, Weld Co., CO; two "Herkimer diamonds" on matrix,...
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AUSTINITE & OTHER MINERAL SPECIMENSComprising six small but attractive items (all 11/4 in. or less) including a mass of Austinite on matrix, from Mapimi area, Durango, Mexico; Chlorite inside of a Quartz crystal,...
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HEMIMORPHITE & OTHER MINERAL SPECIMENSComprising seven small but attractive items (all 1 in. or less) including two specimens from Ojuela Mine, Mapimi, Durango, Mexico; bubble-like pale blue group on Limonite(?),...
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FIVE INTERESTING MINERAL SPECIMENS Includingan elongated group of Stibnite crystals from Xiquangshan, Hunan, China, 3 1/8 in. L.; Carborundum crystals, Seattle, WA, 3/4 in. H.; a Neptunite crystal on white matrix, Gem...
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MINERAL SPECIMENS PINK GARNET UNCUTSEMI PRECIOUSTray of Pink Garnet (Grossularite garnet) Morelos, Mexico. Melanite from California with bright dark crystal Garnets. Blue Lapis. Many uncut semi precious stones...
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MINERAL SPECIMENS EPIDOTE CHYSOCOLLAAGATE GARNETGrouping of Epidote collected in Calumet CO. Largest 9" x6", 1700 grams. Chrysocolla from Mexico. Largest 190 grams. Pink Garnets (Grossularite garnet) Mexico....
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17 LINARITE NATURAL CRYSTAL SPECIMENS17Linarite Natural Crystal Specimens. Specimens include Azure blue crusts of Linarite on Matrix from Bingham, New Mexico.
Largest 3"
From the estate of Frank Hall owner of...
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WATERMELON TURMALINE CRYSTAL MINERALSPECIMEN IN NATURAL QUARTZ MATRIX 2" x¾" turmaline Watermelon Turmaline crystal mineral specimen in natural Quartz matrix, overall 4 ?" x 5 ?" x 3"....
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BEAUTIFUL NATURAL MALACHITE BOTRYOIDALMASSCentral Africa, Democratic Republic of the Congo, ca. millions of years ago. This is a lovely natural malachite mineral with unusual bubbly crystalline structures known...
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SPECIMEN SIZE MINERALS GARNET SELENITESTILBITECitrine, Uruguay. 315 grams. Selenite, Australia. 79 grams. Stilbite, Australia. 155 grams. Barite Rose, Oklahoma. 454 grams. Almandine Garnet on Matrix, Austria,...
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MINERAL SPECIMENS PINK GARNET UNCUTSEMI PRECIOUSTray of Pink Garnet (Grossularite garnet) Morelos, Mexico. Melanite from California with bright dark crystal Garnets. Blue Lapis. Many uncut semi precious stones...
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61 SPECIMENS OF MALACHITE ON MATRIXMalachitewith fine green crystals on matrix from Mexico.
largest 276 grams 4" across.
From the estate of Frank Hall owner of Dover Scientific and collector of rocks, crystals, minerals...
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TWO SPECIMENS OF WULFENITEBoth in matrix.Largest 5 1/2" long.
From the estate of Frank Hall owner of Dover Scientific and collector of rocks, crystals, minerals and fossils....
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13 NATURAL SPECIMENS OF VARISCITE FROMARKANSAS13 Natural Specimens of Variscite from Arkansas. Pale green microcrystalline masses on grey matrix. Largest 4.5" x 3.5"
From the estate of Frank Hall owner of Dover...
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13 AZURITE NATURAL SPECIMEN CRYSTALSFROM ARIZONA3 Blue Specimens of Azurite from Morenci, Arizona with fine blue crystals on the Matrix, one specimen includes green malachite. Whiter colored specimen is from...
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9 NATURAL HEMATITE SPECIMENS5 HematiteSpecimens from Yuma, Arizona and 4 Hematite specimens from Bouse, Arizona with Steel Grey Crystals in Matrix.
From the estate of Frank Hall owner of Dover Scientific and...
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8 WAVELLITE PALE GREEN CRYSTALS ON MATRIXARKANSAS8 Wavellite Pale Green hemispherical crystal rocks on Matrix from Arkansas. Natural History Specimen. Waverlite.
Largest 7.5" x 6.5" x 3"
From the estate of Frank...
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12 HEMIMORPHITE WHITE CRYSTALS ON RUSTMEXICOCollection of 12 Hemimorphite rock crystals. Natural History Specimen.
White crystals on rust colored matrix from Mexico. Largest 6.25"
From the estate of Frank Hall...
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PYRITE & CALCITE MINERAL SPECIMEN ONLUCITE STAND Pyrite or fool's gold cluster on a calcite matrix mineral specimen, together with a lucite stand with four fitted brass arms. 4.5" H x 4" W x 3.5" D on stand....
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SODALITE CRYSTAL CARVED BIRD ON AMETHYSTMATRIX Hand-carved sodalite and clear quartz rock crystal tucan bird with gilt bronze feet mounted on an amethyst purple crystal matrix mineral specimen. 2" H x 4" W x 2.5"...
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AMETHYST QUARTZ CRYSTAL CLUSTER MINERALSPECIMEN Amethyst purple rock crystal quartz cluster mineral specimen on a blue lace banded agate matrix underside. 2.25" H x 7.5" W x 5.5" D....
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20 ASSORTED MINERAL SPECIMEN GROUPINGIncludes two amethyst geodes, a smokey quartz crystal, two polished calcite crystals, a hematite crystal, three polished agates, four feldspar, a turquoise, two fluorite matrixes,...
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Collection of Eight Mineral Specimenswith Related Book, the minerals including quartz crystal matrix, geode and other examples, h. 2-3/4" to 5-1/2", with a copy of Minerals: Nature's Marvelous Jewels by Arthur...
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Fossilized Specimen of Orthoceras, the mineralized straight chambered shell in slightly iridescent light gray imbedded in an ochre sedimentary matrix with other partially exposed specimens, excavated in Morocco,...
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Rare Fossilized Trilobite Specimen,in its original nodule, Paleozoic Era (543 to 248 million years ago), the fossilized creature mineralized in softstone matrix, the split nodule exhibiting the creature on...
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