SPECIMEN. Large Quartz Crystal Mineral Specimen.

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.

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

Larger size natural smoky quartz mineral specimen. Large crystal pint with a smaller twinned crystal. Deep dark brown black color fading into white quartz. Very nice decorative element. Gives off nice

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

A large, well-formed single crystal of rock crystal quartz. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.219. 752 grams, 14cm (5 1/2"). From the historic ‘Victorian Museum’ a

Art by God. A natural history crystal quartz mineral specimen. Deep purple cathedral amethyst geode. Large maw like opening to front, giving the impression of an emerging shark's head with smaller ope

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

Two trays of mineral and crystal specimens including stibnite with realgar, large limonite, galena, large quartz crystals, petrified wood, and more, 29 specimens

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

Mexican Mineral Mix: Wulfenite/Mimetite, Vesuvianite, Marcasite, Malachite/Chrysacola, Rosasite (Cumbre Vein, Level 6, Mina Ojuela, Mapimi) Tennanite/Quartz, Large Angel Wing Calcite [Old Locality Pie

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

Large Silver on Quartz Morocco 6oz

MATERIAL: Quartz CONDITION: Very good condition Size: approx 7,5 inch (191 mm) Weight: 2 lbs (907 g) Origin: Brazil Quartz is one of the most well-known minerals on earth. It occurs in basically all m

Lot of 10 pieces of assorted crystal and mineral specimens. Includes a pair of standing agate slices, three smaller agate sliced with stands, a large 8" x 7" x 1.75" agate slice with stand, a large 9"

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

A large natural deep purple crystal cathedral amethyst quartz geode mineral specimen. Emits a vibrant, positive energy, helping to balance the harmony in one's life, home, or office space. Dimensions:

A mineral specimen of translucent calcite on quartz with a large layered dark mass to the centre, a small cluster of clear six-sided pyramid crystals underneath, old inked collection number '517' to b

Art by God. A large natural history deep purple crystal cathedral amethyst quartz geode mineral specimen. Emits a vibrant, positive energy, helping to balance the harmony in one's life, home, or offic

Art by God. A large natural history deep purple crystal cathedral amethyst quartz geode mineral specimen. Emits a vibrant, positive energy, helping to balance the harmony in one's life, home, or offic

Art by God. A large natural history deep purple crystal cathedral amethyst quartz geode mineral specimen. Emits a vibrant, positive energy, helping to balance the harmony in one's life, home, or offic

A very unusual, large, double-terminated fenster smoky quartz, with additional smaller crystals. Some of the hollows are liquid-filled, and have gas bubbles with paper labels pointing to them. Its nam

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

Group (4) Mineral specimens, Including large, pink stilbite crystal on matrix from India; green flourite with sphalerite from China; vanadinite on matrix from Morocco; and clear quartz with large pyri

A large lilac amethyst crystal within dense formations of white quartz crystals; supplied in a cardboard specimen tray. 338 grams, 91 mm (3 1/2 in.). Mineral Imports, London, UK. Gregory, Bottley & Ll