Natural History - Massive Malachite Boulder Section.

Each with at least one polished face to reveal the attractive banding; some pierced for threading. 244 grams total, 17-46 mm (5/8 - 1 3/4 in.). From Democratic Republic of the Congo.Ex Mineral Imports

A nodule of malachite with lustrous sheen of pale and dark green, section cut from top showing internal structure. From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Ll

. Comprising irregular sections with one polished face, including single and one treble stalactite sections. 393 grams total, 40-70 mm (1 1/2 - 2 3/4 in.). From Democratic Republic of the Congo. Ex Mi

A large natural malachite boulder on stand, bottom natural chip (?), 2.6"x7.4"x5.3"

A massive piece of satin spar gypsum column with deep striations on the surface and chatoyant lustre. From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory'

A grey Selenite faceted pillar with two lateral spurs. 1.6 kg, 43cm (17"). From a historic ‘Victorian Museum’ collection; from the stock of Gregory, Bottley & Lloyd (1981-2014); formerly with Greg

A specimen of botryoidal malachite with a ground-in 'window' to reveal inner structure. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.184. 181 grams, 62mm (2 1/2"). From the historic ‘Vi

A piece of sawn malachite with lustrous green, blue and black clolouring. From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, Bottle

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 large piece of cut and polished malachite with lustrous sheen of pale and dark green, pale crystals between nodules. From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley

A polished piece of beautifully figured malachite, with numerous 'eyes' exposed on the polished surface. From the historic ‘Victorian Museum’ collection of Gregory, Bottley & Lloyd (Gregory's); fo

A group of ten one-off polished malachite mineral specimens of good quality malachite. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.184. 119 grams total, 25-46mm (1/4 - 1 3/4"). From the

Triassic Period, 250-200 million years BP. A large section of fossilised wood with one side polished from Madagascar, with some fine detail. 1.3 kg, 11cm (4 1/4"). From an old Bristol paleontological

Triassic Period, 250-200 million years BP. A cut and polished section of fossilised tree from Madagascar, with some fine detail. 1.5 kg, 14.5cm (5 3/4"). From an old Bristol paleontological collection

An exceedingly fine display specimen of labradorite, polished on one side, with blue, yellow, and green 'schiller' on the entire polished side and blue schiller on the unpolished back face. From Madag

Devonian Period, 417-354 million years BP. A large group of specimens of Gissocrinus goniodactylus Crinoid stem sections from Devonian Period of Morocco. 1.13 kg total, 10-65mm (1/4 - 2 3/4"). From an

Cretaceous Period, 145-65 million years B.P. The spine section comprising sixteen large, perfectly lined dorsal vertebrae with transverse processes with another at each end lying flat, various other v

Each with one polished face to display the internal contrasting banding. 308 grams total, 22-43 mm (7/8 - 1 5/8 in.). From the People's Democratic Republic of Congo.Ex Mineral Imports, London, UK.Greg

Comprising dark green malachite with tabular deep blue azurite crystals. 30 grams, 60 mm (2 1/2 in.). Collected in person from various parts of the world mainly between 1957-1966. From the private min

Gorgeous polished section of natural malachite in free form. Malachite is symbolically known as the essence of joy, with the ability to absorb pain it is believed to be able to expose and heal emotion

A natural stone boulder (malachite/turquoise ?, 6.25"x7.8"x6.25")

Goode, George Brown, The Fisheries and Fishery Industries of the United States, Section 1, Natural History of Useful Aquatic Animals, complete in 2 parts: Text and Plates, 1884, First edition, hardcov

A group of six cut and polished purple agate geode sections, with exposed crystals; colour-enhanced. 1.39 kg total, 69-94 mm (2 3/4 - 3 3/4 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (

Cretaceous Period, circa 90 million years B.P.. A fossilised jaw section with indentations. 270 grams, 10 cm (4 in.). From the Tegana Formation, Kem-Kem Basin, Morocco, North Africa.From an old German