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A SPECIMEN OF CRYSTALLINE SULPHUR BOLIVIA The small crystals with strong yellow colour. 9 ¾ x 5 x...
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THREE SODALITE OBELISKS BRAZIL Freestanding, all faces cut and polished. 14in. (36cm.) the tallest...
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AN AGATE BOWL BRAZIL Of bowl form with foot base, cut from one piece by Peter Muller and polished on...
.jpg?w=400 "Quelle: Christie's")
AN AGATE BOWL BRAZIL Of bowl form with foot base, cut from one piece by Peter Muller and polished on...
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AN AMETHYST "FLOWER" BRAZIL The crystals with a delicate purple hue, radiating from a central point...
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A SPECIMEN OF PYRITE PERU From the Huanzala Mine, Ancash Department, the complex of cubic crystals...
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A SPECIMEN OF PYRITE SPAIN The crystals with twinned growths forming a natural cavity, on custom...
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A GROUP FOSSILIZED SCALLOPS SOUTHERN FRANCE From the Upper Miocene, Burdigalian (20-16 million years...
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A RED AMMONITE GROUP BELMONT, FRANCE From the Late Jurassic (circa 150 million years ago) the...
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A SLAB OF IRIDESCENT ENGLISH AMMONITES SOMERSET Caloceras johnstoni from the Hettangian, Jurassic...
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AN ASSEMBLAGE OF AMMONITES IN MATRIX GERMANY From the Lower Jurassic, Toarcian (174-182 million...
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A PETRIFIED WOOD STOOL MADAGASCAR Araucaria sp. from the Triassic (circa 225 million years ago) the...
.jpg?w=400 "Quelle: Christie's")
THE SLAB AND COUNTER SLAB OF A FOSSIL SHRIMP SOLNHOFEN, GERMANY From the Jurassic (circa 150 million...
.jpg?w=400 "Quelle: Christie's")
A FOSSIL DRAGONFLY SOLNHOFEN, GERMANY From the Jurassic (circa 150 million years ago) specimen of...
.jpg?w=400 "Quelle: Christie's")
A LARGE TRILOBITE MOROCCO From the mid-Cambrian (509-497 million years ago), an 11-inch specimen of...
.jpg?w=400 "Quelle: Christie's")
A FOSSIL CRAB MADAGASCAR The Macrophtalmus sp. from the Pliocene (5-3 million years ago), the finely...
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A LIGHT-GREY MEGALODON TOOTH SOUTH CAROLINA The 4 1/3-inch tooth of a Carcharocles megalodon from...
.jpg?w=400 "Quelle: Christie's")
A FINE MEGALODON TOOTH SOUTH CAROLINA The 4½-inch Carcharocles megalodon from the Langhian (16-14...
.jpg?w=400?width=1600&quality=70 "Quelle: Christie's")
LUNAR PHOTOGRAPHS GERMAN, CIRCA 1970 Collage of twenty five photographs showing details of the lunar...
.jpg?w=400?width=1600&quality=70 "Quelle: Christie's")
A SIKHOTE-ALIN METEORITE — PRISTINE INDIVIDUAL FROM THE ONE OF THE LARGEST METEORITE SHOWERS IN...
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A SPLIT AMETHYST GEODE PAIR RIO GRANDE DO SUL, BRAZIL Of hollow concave form, each cut and polished...
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MANGANO-CALCITE ON PYRITE KOSOVO An interplay of white floretes and lustrous cubes with a scattering...
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A MALACHITE BOWL KATANGA PROVINCE Formed from one single piece, the top cut with bowl recess...
.jpg?w=400?width=1600&quality=70 "Quelle: Christie's")
A FLUORITE SPHERE ON SEPTARIAN STAND MEXICO The 6-inch sphere cut and polished to reveal two...
.jpg?w=400 "Quelle: Christie's")
A GOGOTTE FORMATION WITH TWO NATURAL HOLES FONTAINEBLEAU, FRANCE Of natural form with cavities to...
.jpg?w=400 "Quelle: Christie's")
A FOSSIL DRAGONFLY SOLNHOFEN, GERMANY From the Jurassic (circa 150 million years ago) the finely...
.jpg?w=400 "Quelle: Christie's")
A "LEVITATING" METEORITE THE CASING OF RECENT MANUFACTURE The Sikhote-Alin meteorite suggesting the...
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A SPECIMEN OF CHRYSOCOLLA Of natural form with smooth undulating botryoidal front, supported on...
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A SPECIMEN OF AGATE BRAZIL The front cut and polished revealing a cartoon-like silhouette pattern...
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A SPECIMEN OF ROSE QUARTZ BRAZIL Finely cut to irregular hexagonal bowl form with faceted sides. 21...
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