Natural History - Mixed Mineral Specimen Collection [30].

Comprising: popcorn quartz, amethyst, agate, smoky quartz, brown obsidian, citrine, pyrite, 'desert rose', and others. 823 grams total, 23-81 mm (7/8 - 3 1/8 in.). Ex Mineral Imports, London, UK.Grego

. A mixed group of mineral specimens and a fossil comprising: twenty seven of chalcopyrite, four azurite on matrix, one citrine, one Flexicalimene trilobite. Private collection, Cambridgeshire, UK; ac

. 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 mixed mineral group comprising: a rich dark blue crystalline mass of sodalite, a concave matrix surface invested with quartz, atacamite and malachite, a rashleighite specimen, and a lustrous white m

A mixed mineral group comprising: a limestone matrix with rare blue quartz inclusions, a domed basalt matrix richly covered in green olivine crystals, a powdery limestone matrix carpeted with celestit

Comprising muscovite, realgar, orpiment, rubellite, tourmaline, bornite, sulphur, kyanite, ulexite and chrysocolla; each in a labelled box. 142 grams total, 21-24 mm (3/4 - 1 in.). Ex Mineral Imports,

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

A group of 15 mixed mineral specimens, including: citrine druse (2), aragonite 'sputniks' (2), tourmaline in quartz, amethyst, banded jasper, clay in quartz 'porcupines' (3), natural agate slices (3),

A group of 30 mixed mineral specimens including: citrine (2), lepidolite (2), blue agate (5), aragonite 'sputniks' (2), ruby in zoisite (3), pyrite, amethyst (3), aragonite, rock crystal, mini-geode,

A specimen comprising a number of bladed red-orange crocoite crystals on matrix, in old white card tray. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.216. 30 grams, 36mm (1 1/2"). Found T

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 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 free-standing section of a geode with amethyst crystals of good colour. 657 grams, 11 cm high (4 1/4 in.). From a Lincolnshire, UK, collection. [No Reserve]

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

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 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

An unusual quartz formation with finely formed crystals intergrown with another mineral, probably albite. From the historic ‘Victorian Museum’ and later collection of Gregory, Bottley & Lloyd (Gre

A group of four aquamarine crystals, all terminated, from Brazil, in old white card tray. From Brazil; from the historic ‘Victorian Museum’ collection of Gregory, Bottley & Lloyd (Gregory's); form

A group of unusually formed, frosted calcite crystals on matrix. From India; From the historic ‘Victorian Museum’ and later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, Bo

A group of ten acrylic display domes, each filled with a quantity of polished specimens of a single mineral, comprising of sodalite, green agate, snowflake obsidian, leopardskin stone, tiger-eye, brec

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 fine specimen of mauve fluorite crystals over an orange-brown matrix surface. 530 grams, 10cm (4"). Ex Dr M. G. 'Sam' Weller, MBE, collection, Cornwall, UK; from Blackdene Mine, Weardale, UK, suppli

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 pyrite 'fool's gold' cube with some smaller cubes on a matrix. 244 grams, 10cm (4"). From an old Lincolnshire collection 1980s; from Spain. [No Reserve]