Natural History - Large Aquamarine Mineral Specimen.

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 group of four aquamarine crystals, all terminated, from Brazil, in old white card tray. From Brazil; from the historic ‘Victorian Museum’ collection of Gregory, Bottley & Lloyd (Gregory's); form

Natural history Obsidian mineral specimen, large with natural inclusions and smoothed surface. 2.75" H X 13" W X 11.5" D.

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

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

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 mixed group comprising: a galena block from Spain; a celestina block from Sicily; a large scalenahedral calcite crystal from Rumania; a block of cubic octahedral pyrite from Peru. 948 grams total,

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

A large pyrite 'fool's gold' cube with some smaller cubes on a matrix. 244 grams, 10cm (4"). From an old Lincolnshire collection 1980s; from Spain. [No Reserve]

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’

. the large pebble with iridescent dark purple surfaces with small areas of blue and brown. 189 grams, 54 mm (2 in.). Collected in person from various parts of the world mainly between 1957-1966. From

A large, orange, surf-rounded pebble of beach amber, in white card tray, See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.314-317. 35 grams, 50mm (2"). From the historic ‘Victorian Museum��

. The colour ranging from light to dark green. 516 grams total, 5-13 mm (1/4 - 1/2 in.). Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [No Reserve]

Materials: Aquamarine, Fluorite Natural Aquamarine Crystals with Pinkish Orange Fluorite Crystals on Muscovite Mica Specimen - Specimen contains a very large size fluorite crystals in the combination.

Large agate geode cross section slice with a smooth high mirror polished finish. OOAK ( one of a kind ) color variations and design patterns seen in this example. Accompanied with a clear plastic stan

A large collected grouping of rocks, crystals, and minerals. Natural history grouping. Measures: Largest H 2 1/2" x W 6" x D 4" Weight Approx 13 lbs

A rare specimen of blue fluorite from the Tri-state Area of the USA, with several large stepped cubes and a number of smaller cubes, in old white card tray with label reading: FLUORITE, Tri-State (Mil

Natural history mineral specimens including rock crystal, rose quartz, agates, and geodes. Largest: 3" H X 33.5" W.

Natural history mineral specimen of toucans with gilt metal feet, perched on a rock, with stolomite, amethyst, obsidian and other stones. On black dolomite base, retailed by Amsterdam Sauer. [10 x 10

Natural history mineral specimen of toucans with gilt metal feet, perched on a rock, with stolomite, amethyst, obsidian and other stones. On black dolomite base, retailed by Amsterdam Sauer. [10 x 10

An exceptionally fine mushroom-shaped moldavite specimen with classic ablation melting, accompanied by polished pebbles of amethyst and jasper. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008,

A specimen of vanadinite with calcite, the vanadinite crystals transparent and lustrous, from Mexico, in old white card tray with handwritten label reading: 'Durango, Mexico'. From Durango, Mexico; fr