3 Large Mineral Specimens

(3) Large natural mineral specimens, c/o clear Selenite slab found in Utah, amethyst with polished sides found in Uruguay, amethyst found in Minas Gerais Brazil, longest 18"

probably cavansite rosettes on stilbite terminations and other mineral matrix, 18 x 8-1/2 x 3-1/2 in. Provenance: The Estate of Peter H. Tillou, Litchfield, Connecticut

Large mineral specimen of Malachite , likely in limestone rock. Measures 8 x 6 x 3 in. Malachite forms deep within the earth over or of copper deposits . It’s distinctive deep green banded colo

Large mineral specimen of Malachite , likely in limestone rock. Measures 8 x 6 x 3 in. Malachite forms deep within the earth over or of copper deposits . Its distinctive deep green banded color is wel

10 x 19 x 15 in. (25.4 x 48.3 x 38.1 cm.)

A large botryoidal rust-red haematite mass with metallic lustre. 1.3 kg, 13.5cm (5 1/4"). From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); formerly

A large hexagonal-section ruby corundum crystal (1,665 carats), with classic triangular markings on the terminal faces, old collector's label with inked '277' notation. 333 grams, 43mm (1 3/4"). From

A group of four large polished amazonite pebbles; supplied in white cardboard trays. 787 grams total, 70-80mm (2 3/4 - 3 1/4"). From the historic ‘Victorian Museum’ or later collection of Gregory,

Large malachite free form mineral specimen. One side polished, the other in it's natural state with applied carpet squares for scratch protection. 3 1/2" H x 10 1/2" W x 8" D. 20th century. Provenance

Geode and mineral specimen collection, (15) pieces including a large polished malachite, 3.5"h x 8"l x 3.5"w, 2 amethyst geodes, a pair of polished agate bookends, a polished sphere with geode inclusi

A large dark green fluorite obelisk with purple bands and 'rainbow' reflections, bevelled edges. 178 grams, 89mm (3 1/2"). From the historic ‘Victorian Museum’ or later collection of Gregory, Bott

A group of nine large calcite 'Iceland spar' mineral specimens. 1.68 kg total, 40-81 mm (1 1/2 - 3 1/8 in.) Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [9, No Reserve]

Large Vintage Double Tower Selenite Mineral Specimen. Measures 17-1/8" x 5-1/2" x 3-1/2". Provenance: The Orianne Collins Collection. A large portion of proceeds of this sale will be donated to Ms Col

A very large cut mammillary malachite specimen. 1.1 kg, 12.1cm (4 3/4"). From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, Bottley

Large gold tone pendant with mineral specimen marked on ring "Brdr. B.", pendant only 2 1/4" wide by 3 1/2" wide including ring, on an unmarked chain measuring approximately 24" with no closure, bruta

UNIQUE CARVED AND POLISHED SCULPTURE. HAS GOLD MICA FLECK. LOOKS ALMOST LIKE MICHIGAN LOWER PENINSULA. CAN STAND ON 6 SIDES. MEASURES 6.25" X 3.75" X 1". 4800 CARATS. USA SHIPPING $5.

Large labradorite well polished color change mineral specimen -about 5 1/2 x 3 1/2

Large Ammonite Fossil Specimen, median-line cut with quartz crystal inclusions. 13.75" L x 11.5" W x 3" D. Keywords: Fossils, Mineral specimens, Jurassic, Cretaceous

About ten mineral specimens of mostly unknown localities including Large single-crystal rhomb of Calcite, calcium carbonate, (~8 x 6 x 3 inches, 9 pounds); A single-crystal wedge of Calcite (7 x 3.75

A group of ten large sections of pink dolomite, some with marcasite and other inclusions. 1.1 kg total, 57-83mm (2 1/4 - 3 1/4"). From the historic ‘Victorian Museum’ or later collection of Gregor

Large black tourmaline specimen as shown - about 2 1/2 - 3 inches across and nice shape- is a protective stone-

A large wedge-shaped deep green chrysoprase section. 442 grams, 82mm (3 1/4"). From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, B

A fine display specimen of quartz, comprising three large and numerous smaller transparent to slightly milky crystals on a base of quartz. 773 grams, 12.2cm (4 3/4"). From a historic ‘Victorian Muse

A large sheet of small, acicular calcite crystals on matrix. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.177. 725 grams, 22cm (8 3/4"). From the historic ‘Victorian Museum’