Natural History - Large Single Amethyst Mineral

A large single amethyst crystal from a now extinct Australian deposit, with generally lighter, lilac amethyst but with the edges of the faces highlighted in darker amethyst. Found Australia; from the

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 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

Comprising large well-formed purple amethyst crystals on a thick matrix. 682 grams, 95 mm (3 3/4 in.). From Brazil.Ex Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [No Reserve]

Natural History- Amethyst Mineral Specimen Estate Natural Amethyst Geode Color: shades of deep purple Dimension: approximately: 5"x 5.75" Condition:good estate conditionProvenance: Private Estate

A free-standing section of a geode with amethyst crystals of good colour. 657 grams, 11 cm high (4 1/4 in.). From a Lincolnshire, UK, collection. [No Reserve]

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 very large selenite gypsum 'desert rose' composed of blades of selenite with gypsum sand inclusions. 3.1 kg, 22 cm wide (8 5/8 in.). From a Humberside, UK, collection. [No Reserve]

A fine 16 mm thick natural agate slab with a crystalline initial layer with a white agate central layer and a hollow filled with lilac amethyst, with two old, unreadable paper labels. From the histori

LARGE NATURAL AMETHYST GEODE (MINERALS, ROCKS) - 16" X 16" X 4" THICK (WIDEST DIMENSIONS)

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

Large Amethyst Crystal Chimney. Natural Mineral Specimen. Dimensions: H: 17.5 inches: W: 8 inches: D: 6 inches ---

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

A large pink agate crystal slice, polished on both faces; colour-enhanced. 484 grams, 23.5 cm (9 1/4 in.). From Antigas, Uraguay.Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [No R

. With enhanced pink-colour and also showing translucent to opaque quartz crystals. 539 grams, 23.2 cm (9 1/8 in.). Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [No Reserve]

. 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]

A group of ten acrylic display domes, each filled with a quantity of polished specimens of a single mineral, comprising of sodalite, green agate, snowflake obsidian, leopardskin stone, tiger-eye, brec

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��

A pair of hexagonal acupressure implements with one rounded end and one pointed end, in white card tray. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.222-223. 82 grams total, 96-108mm (3

A large single amethyst crystal with well formed prism facets and colour graduation from white to dark purple. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, pp.222-223. 180 grams, 70mm (2 3/

Art by God. A natural history crystal quartz mineral specimen. Deep purple cathedral amethyst geode naturally formed over millions of years into the shape of Horn of Plenty Cornucopia. Emits a vibrant