Natural History - Historic Silver Mineral Specimen

A specimen with multiple layers of crystalline silver in a skarn matrix, the silver naturally surface-oxidized, from the El Mochito Mine, near San Pedro Sula, Santa Barbara Department, Honduras, with

Cut section with metallic lustre. 182 grams, 59 mm (2 1/4 in.). Collected in person from various parts of the world mainly between 1957-1966. From the private mineral collection of Stephen Atkinson, H

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

. 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 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

. Comprising: anhydrate drilled core from Bahrain; an iridescent blue bornite; a rectangular cut wulfenite specimen; drilled calcite core; a polished red jasper slab found near Dunnotar Castle beach,

A fine specimen of wulfenite consisting a sheet of numerous tabular orange crystals on a matrix of limestone with an underlying sheet of white calcite? From the historic ‘Victorian Museum’ collect

A fine, transparent, gemmy crystal of dioptase with smaller side crystals, in plastic display box. From Namibia; From the historic ‘Victorian Museum’ and later collection of Gregory, Bottley & Llo

A fine, polished slice of rhodonite with a classic mix of red and black. From the historic ‘Victorian Museum’ and later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, Bottle

A group of polished mineral spheres including: three brecciated jasper, unakite, snowflake obsidian, tiger iron, howlite, sodalite, each in its own labelled white card tray. From the historic ‘Victo

A finely coloured group of citrine crystals from Brazil in a perspex sphere, with perspex stand. From the historic ‘Victorian Museum’ collection of Gregory, Bottley & Lloyd (Gregory's); formerly G

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 cluster of finely formed muscovite mica crystals, with accessory albite. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.261. 368 grams, 12 cm (4 3/4"). From the historic ‘Victorian

A group of spherical aggregates of yellow-green adamite in a limonite matrix. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.191. 252 grams, 90mm (3 1/2"). From Mexico; from the historic â

A fine specimen of azurite on matrix, with malachite rosettes front and back of the specimen, from Arizona, USA. Found Arizona, USA; from the historic ‘Victorian Museum’ collection of Gregory, Bot

A lilac coloured flourite crystal displaying numerous intergrowth cubes; in white card tray with label reading: 'FLUORITE Tri-State USA'. From USA; from the historic ‘Victorian Museum’ or later co

A finely crystallized specimen of wulfenite from Durango, Mexico, in old white card tray with handwritten note reading: 'Durango'. From Durango, Mexico; from the historic ‘Victorian Museum’ collec

A specimen of parallel growth cerussite crystals from Cumbria, UK, in white card tray with Gregory, Bottley and Lloyd label reading: 'CERUSSITE, Cumbria, UK'. Found Cumbria, UK; from the historic ‘V

An unusual stalactitic growth of the zeolite apophyllite, in old white card tray. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.267. 30 grams, 81mm (3"). Found India; from the historic â�

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 native gold mounted in a perspex display box. From USA; from the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, Bottley & Co.

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 fine specimen of curved pink dolomite crystals on matrix. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.181. 288 grams, 14cm (5 1/2"). From the historic ‘Victorian Museum’ and later

A specimen of the copper silicate chrysocolla, on matrix. From the historic ‘Victorian Museum’ and later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, Bottley & Co. (1932-1