Natural History - Large 75.5 Carat Hexagonal Ruby Crystal

A large ruby crystal, hexagonal in plan with striations. 15.1 grams, 28 mm (1 1/8 in.). Ex UK art market, 1970s.Property of a London gentleman. [No Reserve]

Large Approx. 44.52 Carat Colombian Emerald Hexagonal Crystal. Measures 23.5 x 17.0 x 11.5mm. Condition: Natural condition. Estimate: $400.00 - $600.00 Domestic Shipping: $28.00

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 cut and polished fluorite crystal obelisk with bands of green and purple colour. 240 grams, 13cm (5"). From a historic ‘Victorian Museum’ collection; from the stock of Gregory, Bottley & Lloyd (

A cut and polished fluorite crystal with bands of green and white colour. 175 grams, 90mm (3 1/2"). From a historic ‘Victorian Museum’ collection; from the stock of Gregory, Bottley & Lloyd (1981-

A group of five polished plano-convex rubies. 3.68 grams total, 9 mm each (3/8 in.). Ex UK art market, 1970s.Property of a London gentleman. [5, No Reserve]

A group of twenty chunks of red calcite with waxy lustre. From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, Bottley & Co. (1932-19

Title: 200 Carats Beautiful Natural Ruby Crystal~ Africa Treatment: Natural Weight: 200 CTs Dimensions: xxx mm Origin: Africa Reserve: $40.00 Shipping: Domestic: Flat-rate of $15.00 to anywhere within

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

Title: 250 Carat Top Qulaity Natural Ruby Crystal Treatment: Natural Weight: 250 Carat Origin: Tanzania Reserve: $40.00 Shipping: Domestic: Flat-rate of $15.00 to anywhere within the contiguous U.S. I

. 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]

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 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

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 cut and polished agate slice displaying crystals to the exposed inner surfaces; a naturally-occurring smiling face formed in the polished surface composed of two large circular eyes and a crescent-s

A group of pyrite specimens with well-formed crystals ranging in size; some on a matrix. From Peru; from the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's)

A specimen of petalite consisting of numerous platy, hexagonal crystals, in white card tray. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.268. 470 grams, 12cm (4 3/4"). Found Brazil; from

A large calcite crystal specimen with cortex. 22 kg, 44cm (17 1/4"). From the former stock of Gregory, Bottley & Lloyd (established 1858); recently reviewed by Dr. Ronald Bonewitz.

Comprising eleven clusters of pseudo-hexagonal twinned crystals. 313 grams total, 28-54 mm (1 1/8 - 2 1/8 in.). From Brazil.Ex Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [11, No

A sawn slice of zoisite containing a hundred or more opaque ruby crystals, polished on one side. From the historic ‘Victorian Museum’ collection of Gregory, Bottley & Lloyd (Gregory's); formerly G

Large group of petrified wood, rock and crystal specimens in shades of pink and brown. Sizes range from 1 1/2" to 9".

. 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,