Iceland Spar Specimen Group.

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 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 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 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 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,

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]

Golden Iceland Spar Calcite Fluorescent 3.7oz

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 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

each group in an acrylic case with hanging mount verso Provenance: The Estate of Judith Krantz, Bel Air Condition: scratches, marks and wear to cases. the largest: 10 x 10 inches; the three others: 7

Turquoise, Onyx, Malachite Specimen Group. Largest size: 4" x 5" x 6", 10 x 13 x15 cm. Provenance: Maryanne Conheim, Philadelphia.

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

Petrified Wood Specimen Group. Largest size: 2" x 5.5" x 5.5", 5 x 14 x 14 cm. Provenance: Maryanne Conheim, Philadelphia.

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 group of six polished gemstone eggs including: marble, jasper, fossiliferous limestone, etc. From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); for

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

Comprising eleven clusters of pseudo-hexagonal twinned crystals. 313 grams total, 28-54 mm (1 1/8 - 2 1/8 in.). From Brazil.Ex Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [11, No

Quartz Specimen Group. Largest size: 5.25" x 3.25" x 3", 13 x 8 x 8 cm. Provenance: Maryanne Conheim, Philadelphia.

Petrified Coral Specimen Group. Largest size: 5" x 8" x 1.5", 13 x 20 x 4 cm. Provenance: Maryanne Conheim, Philadelphia.

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]

Each with one polished face to display the internal contrasting banding. 308 grams total, 22-43 mm (7/8 - 1 5/8 in.). From the People's Democratic Republic of Congo.Ex Mineral Imports, London, UK.Greg