Natural History - Polished Amethyst Obelisk Set

A group of five cut and polished amethyst obelisks or massage tools ranging in colour from light to dark purple and with rainbow reflections. From Brazil; from the historic ‘Victorian Museum’ or l

A group of cut and polished smoky quartz obelisks with rainbow reflections. From Brazil; from the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); formerly

A group of two cut and polished amethyst points with flat bases, a deep purple colour, and rainbow reflections. From Brazil; from the historic ‘Victorian Museum’ or later collection of Gregory, Bo

A group of six cut and polished circular malachite coasters with pale and dark green banding. From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); form

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

. Each polished to expose the layers of the inner core; felt-backed. 774 grams total, 11-13.5 cm (4 1/4 - 5 1/4 in.). Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [6, No Reser

. The flexible metal branches tipped with polished aventurine pebbles; the matrix with clusters of purple amethyst crystals. 563 grams, 18 cm (7 in.). Ex Mineral Imports, London, UK. Gregory, Bottley

A sawn and polished pair of natural agate geodes with several 'eyes' and cavities filled with amethyst crystals, with stands. From the historic ‘Victorian Museum’ collection of Gregory, Bottley &

Devonian Period, circa 417-354 million years B.P. Cut and polished from a single fossiliferous block and each side set with a large Goniatite sp. specimen. 3.4 kg total, 15.3 cm high each (6 in.). Fro

A mixed group of polished mineral 'eggs' including onyx, amethyst(?), serpentine(?"). 484 grams total, 48-64mm (2 - 2 1/2"). Ex Thompson collection, Devon, UK. [4, No Reserve]

Devonian Period, circa 417-354 million years B.P. Both set on a textured freestanding matrix and polished to reveal the internal gas chambers. 810 grams, 16 cm high (6 1/4 in.). From a Cambridgeshire,

A group of three graduated cut and polished amethyst obelisks; held in a white card collector's tray. 141 grams, 60-83 mm (2 3/8 - 3 1/4 in.). From Brazil. Mineral Imports, London, UK. Gregory, Bottle

Comprising: haematite, quartz, amethyst, aventurine, agate, dalmatian jasper and others. 793 grams total, 18-33 mm (3/4 - 1 1/4 in.). Ex Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's

7 piece lot consisting of a pair of Chinese Bonsai style Jade trees approx. 10" x 8" x 4" each. A gilded metal tree with polished Amethyst buds set on a rough striated natural stone. 8" x 8" x 5". A f

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,

Devonian Period, 417-354 million years B.P. Comprising a pair of polished fossiliferous matrices set with a polished Goniatite ammonite. 3.4 kg total, 15 cm high (5 7/8 in.). From a Cambridgeshire, UK

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 (

Carved and polished natural stone obelisks, thought to be Sodalite. Tallest measures 6.5 x 1.5 in. Could also be used as paperweights. 3243 cts of natural gemstone. Gemstone obelisk set, tarot card ob

Carved and polished natural stone obelisks, thought to be Sodalite. Tallest measures 6.5 x 1.5 in. Could also be used as paperweights. 3243 cts of natural gemstone. Gemstone obelisk set, tarot card ob

A medium size gemstone tree consisting of a brass trunk and branches tipped with polished citrine, mounted on a section of amethyst geode. 518 grams, 18 cm high (7 in.). Mineral Imports, London, UK.Gr

Devonian Period, circa 417-354 million years B.P. The extinct nautiloid cephalopod polished to reveal the internal gas chambers and set on a textured freestanding matrix. 15.8 kg, 1.01 m (39 3/4 in.).

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 one hundred amethyst cabochons, tumbler finished with rounded girdles, polished on all sides. From the historic ‘Victorian Museum’ collection of Gregory, Bottley & Lloyd (Gregory's); fo

Irregular geode matrix with light purple amethyst crystals; the metal branches tipped with polished clear quartz pebbles. 449 grams total, 19 cm (7 1/2 in.). From Brazil.Ex Mineral Imports, London, UK