Large mineral specimen with pa

Large mineral specimen with parent rock, color spectrum from whitish-transparent to brownish, bumped, approx. 18 x 27 x 17 cm

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

Mineral specimen, large rough-hewn quartz druzy crystal geode on brass stand. 8" diameter.

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

Large mineral specimen of seafoam-colored quartz with mineral needles. Measures 14"L x 12.5"W x 5.5"H. Condition report: Good condition, no issues, please examine all photos closely. Contact C. Biddle

DESCRIPTION: Large Labradorite mineral specimen slab with organic form and polished finish, displayed on wood carved stand. CIRCA: 20th Cent. ORIGIN: Unknown DIMENSIONS: (On Stand) H: 12.5" x W: 6.5"

A large amethyst mineral specimen or sliced geode, having a natural, faceted polished purple interior, and a raw exterior. Mounted with a chain to reverse for hanging. Unmarked. Approximate height 4.2

Large mineral crystal specimen, Natural mineral crystals possibly golden calcite, or quartz on natural substrate, approx. 5.5"h x 15"l x 9"w

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 fine crystal of green aquamarine with transparent areas, flat, lustrous faces, and a pinacoidal termination, in old white card tray. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.290. 22

A large specimen of keochenite mineral (Bi2O3MoO3). 1.5 kg, 15 cm (6 in.) Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [No Reserve]

A group of twenty large unpolished topaz specimens. 510 grams total, 27-52mm (1 - 2"). From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gr

A large quartz mineral specimen. The total approx weight is 24.6 lbs. From a Mt Vernon, NY estate. Dimensions: 14" in length x 12" wide.

(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"

X Large Amethyst Brazilian Geode with large Crystals. Natural Mineral Specimen. Dimensions: H: 24 inches: W: 30 inches: D: 14 inches ---

Large rose quartz mineral specimen. Size: 18" H x 22" W x 14" D

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,

A large prism-cut fluorite obelisk point with green, purple and clear bands, 'rainbow' reflections mainly to the base. 181 grams, 59mm (2 1/4"). From the historic ‘Victorian Museum’ or later colle

Five large natural selenite rock crystal gypsum quartz mineral specimens. Largest: 20" L x 5" W. Provenance: Property from an Upper East Side townhouse.

Group of assorted cut, rough, polished and unpolished mineral specimens, crystals, quartzes, and more, together with a fossilized trilobite and ammonite with "Product of Morocco" sticker. From 6.5" L

(8) LARGE CRYSTAL, ROCK, & MINERAL SPECIMENS INC. PERIDOT IN BASALT, BROWN, SMOKY, PURPLE, & CLEAR QUARTZ LARGEST CRYSTAL 6" TALL, BASE 9" WIDE