British Rich Cassiterite Mineral Specimen

A piece of medium blue, raw, untreated turquoise from Cornwall, UK. 455 grams, 76mm (3"). Ex Dr M. G. 'Sam' Weller, MBE, collection, Cornwall, UK; from Gunheath Pit, St Austell, Cornwall, UK, supplied

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 luxulyanite specimen displaying a combination of orthoclase, schorl and quartz. 740 grams, 11.5cm (4 1/2"). Ex Dr M. G. 'Sam' Weller, MBE, collection, Cornwall, UK; from Luulyan Valley, Cornwall, UK

A fine specimen of bornite, minor arsenopyrite and pyrite, displaying a blue, green and purple iridescence to the surface. 560 grams, 10.5cm (4"). Ex Dr M. G. 'Sam' Weller, MBE, collection, Cornwall,

A rare orthoclase 'cross twin' in granite. 275 grams, 10cm (4"). Ex Dr M. G. 'Sam' Weller, MBE, collection, Cornwall, UK; from Lamorna Quarry, Cornwall, UK, supplied with Dr Weller's personal collecti

A fine specimen of Queensland boulder opal, with typical ironstone backing and rich colour; with collector's label, 1950. 11.4 grams, 38mm (1 1/2"). Previously the property of an important private min

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

Hendsii Chiton Mills Peninsula British Columbia 1980s

"Fairystone" Glacial Loess British Colombia, Canada 14oz

A polished sodalite sphere in rich royal blue colour with white veining and some dark grey 'schiller' to one side; supplied in a labelled cardboard tray. 74 grams, 40mm (1 1/2"). From the historic ‘

Gold Crystal Atlin British Columbia .12g

Comprising: ulexite from Kern County, California, USA, collection number 258; citrine, collection number 296; okenite from Poona, India, collection number 373; cassiterite from Cornwall, England, coll

A collection of mineral specimens comprising: a dolomite and quartz specimen from Nentsbury Mine, Northumbria, UK, supplied with an old M.G. Weller collection label; a cassiterite specimen from Old Be

A crust of dark pink, manganese-rich diaspore crystals on a rock groundmass, from South Africa, in old white card tray with adhesive tape label reading: 'Mn Diaspore, S. Africa'. From South Africa; fr

A mixed group of mineral specimens, each accompanied by an identification label detailing the location of the find: wavellite; cassiterite; calcite; fluorite. 537 grams total, 50-78 mm (2 - 3 in.). Fr

Citrine mineral specimen in nice color and condition with Madeira color - rich and great for display -about 3 x 2 x 1 1/2 inches

Rich purple amethyst geode rock specimen. Very heavy. A great decorative natural history conversation piece for the home or office.Dimensions: 25 X 9.5 X 8 in. Condition: Good to fair condition h

Displaying rich purple, red, orange and brown colours. 896 grams total, 15-30 mm (1/2 - 1 1/8 in.). From Mexico. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [100, No Reserve]

Pair of Shell and Mineral Specimen Mirrors 27 1/2 x 22 1/2 in. The Collection of Ann and Gordon Getty at STAIR: A Lifetime of Connoisseurship, Curiosity and Collecting Sold Christie's South Kensington

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

Amethyst, quartz, calcite, and pyrite on faux bronze in the form of an eagle, mounted to a marble platform, manner of Amador Braojos. 18"h x 12"w x 10.5"d **Please Note: This item is NOT eligible for

Mineral specimen collection, (7) pieces, incl. a polished rock crystal orb, loose on bronze modernist stand, quartz specimen, geode half on brass stand (possibly agatized coral with botryoidal), (2) m

34 inch Tall Brazilian Amethyst Geode. Amethyst Crystal Chimney. Natural Mineral Specimen. Dimensions: H: 34 inches: W: 10 inches: D: 6 inches ---

A crust of the rare copper sulphate mineral langite on a rock groundmass, from Ireland, in old white card tray with adhesive tape label reading '1093, Langite, Co. Cork'. From Co. Cork, Ireland; from