Iceland Spar Mineral Specimen Group [40]

A group of over 40 Iceland Spar mineral specimens; held in a cardboard box. 2.57 kg total, 35-48 mm (1 3/8 - 1 7/8 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [48, No Reser

A group of nine large calcite 'Iceland spar' mineral specimens. 1.68 kg total, 40-81 mm (1 1/2 - 3 1/8 in.) Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [9, No Reserve]

A mixed group of mineral specimens comprising: pyrite; malachite; ruby; smoky quartz; rutilite; pink and green Iceland spar; chalcopyrite; grussular garnet; each in collector's card tray with label. 4

A group of 10 large calcite 'Iceland Spar' specimens. 1.5 kg total, 42-61 mm (1 5/8 - 2 3/8 in.). Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [10, No Reserve]

A group of six finely cut spar specimen, each in white card tray with label reading: 'Iceland Spar, Mexico'. 441 grams total, 43mm (1 3/4"). From a historic ‘Victorian Museum’ collection; from the

A group of fourteen pink Icelandic spar mineral specimens; each held in a white card collector's tray. 160 grams total, 16-23 mm (3/4 - 1 in.) Nuevo Leon, Mexico. Mineral Imports, London, UK. Gregory,

Golden Iceland Spar Calcite Fluorescent 3.7oz

A group of three mineral specimens comprising: blue calcite, pink quartz, and quartz on banded agate with accessory orange calcite. 1.37 kg total, 40-56 mm (1 1/2 - 2 1/4 in.). Mineral Imports, London

A mixed group of mineral specimens, each accompanied by an identification label detailing the location of the find: vanadinite; wavellite; galena/sphalerite. 325 grams total, 40-65 mm (1 1/2 - 2 1/2 i

A large group of various minerals comprising: optical calcite, muscovite, amethyst, lepidolite mica, pyrite, realgar orpiment, topaz, rubellite, malachite, satin spar, petrified wood, an amethyst pend

A group of ten large cut sections of Iceland spar. 1.38 kg total, 45-56 mm (1 3/4 - 2 1/4 in.). Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [10, No Reserve]

A group of 50 chalcopyrite 'peacock ore' specimens. 1.11 kg total, 14-40 mm (1/2 - 1 1/2 in.). From Mexico. Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [50, No Reserve]

A group of four polished spheres comprising: tiger iron, howlite, brecciated jasper, and unakite; each in a labelled cardboard specimen tray. 420 grams total, 40 mm each (1 1/2 in.). Mineral Imports,

A group of beautiful display specimens includes Amethyst, a purple variety of quartz (~9 x 3 x 3.5 inches, ~1.8 pounds); a beautiful pale-blue Celestite, a strontium sulfate (~3.75 x 3.25 x 2.75, ~601

About ten mineral specimens of mostly unknown localities including Large single-crystal rhomb of Calcite, calcium carbonate, (~8 x 6 x 3 inches, 9 pounds); A single-crystal wedge of Calcite (7 x 3.75

A mixed group of 50 polished mineral 'pebbles'. 1.12 kg total, 31-45 mm (1 1/4 - 1 3/4 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [50, No Reserve]

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 group of three malachite pebbles, each with drilled and polished voids to reveal the banded eye-formations. 243 grams total, 37-39mm (1 1/2"). From the historic ‘Victorian Museum’ or later colle

A mixed group of 50 polished mineral specimens of various types, including haematite, quartz, red jasper, unakite, angelite, and others. 1.19 kg total, 27-44 mm (1 - 1 3/4 in.). Mineral Imports, Londo

A mixed group of 100 polished mineral 'pebbles'. 1 kg total, 20-34 mm (3/4 - 1 3/8 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [100, No Reserve]

A group of three amazonite mineral specimens, with strong colour and waxy lustre. 190 grams total, 39-62mm (1 1/2 - 2 1/2"). From the historic ‘Victorian Museum’ or later collection of Gregory, Bo

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

A large wedge-shaped deep green chrysoprase section. 442 grams, 82mm (3 1/4"). From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, B

. A mixed group comprising: a galena block from Spain; a celestina block from Sicily; a large scalenahedral calcite crystal from Rumania; a block of cubic octahedral pyrite from Peru. 948 grams total,