Natural History - Historic Iridescent Purple Bornite Mineral Specimen

. 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

. 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 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

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, Monumental natural history crystal quartz mineral specimen. Deep purple cathedral amethyst geode. Emits a vibrant, positive energy, helping to balance the harmony in one's life, home or of

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

Art by God. Natural History crystal quartz mineral specimen. Deep purple cathedral amethyst geode. Emits a vibrant, positive energy, helping to balance the harmony in one's life, home or office space.

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 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

Art by God, Natural History Crystal Quartz Mineral Specimens. Near matched pair of deep purple Amethyst cathedrals. Not only are these geodes stunningly beautiful, they also give off a vibration of po

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