Gypsum Mineral Specimen Group

Assembled group of rough stones or mineral specimens, including gypsum crystals, rose quartz and others, one with gilt metal frogs. [Largest: 3 3/4" H x 9" W x 7" D].

Group of mineral rock specimens incl. Agate, gypsum.

Group of mineral rock specimens incl. Agate, gypsum.

A group of ten large 'Desert Rose' crystalline gypsum specimens with sand grain inclusions. 964 grams total, 56-65mm (2 1/4 - 2 1/2"). From a historic ‘Victorian Museum’ collection; from the stock

A group of 100 gypsum mini-desert roses. 190 grams total, 10-24 mm (3/8 - 1 in.). Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [100, No Reserve]

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,

A group of six green amazonite specimens in labelled cardboard trays. 407 grams total, 43-63mm (1 3/4 - 2 1/2"). From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloy

A mixed group of mineral samples comprising: purple fluorite, blue opal, native copper, specularite with quartz, pyrite with quartz and sphalerite, bournonite with quartz, vanadinite, opal in matrix,

A group of ten pale yellow apatite crystals with 'rainbow' reflection, in a white card box with label reading: 'APATITE, Durango, Mexico'. 17 grams total (85 carats), 10-16mm (1/2"). From the historic

A group of 11 large ruby in zoisite mineral specimens. 2.1 kg total, 5.6-10.7 cm (2 1/8 - 4 1/2 in.). From Brazil. Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [11, No Reserve]

A group of four wooden display boxes, each containing a selection of six different polished crystal specimens, between four and nine examples of each specimen including aventurine (sunstone), natural

A group of ten bright cyan-coloured chrysocolla pieces. 75 grams total, 20-42mm (3/4 - 1 3/4"). From the historic ‘Victorian Museum’ and later collection of Gregory, Bottley & Lloyd (Gregory's); f

A group of four quartz crystal on matrix specimens, and one calcite on matrix, from the Rodopi Mountain region, Bulgaria. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008. 9.2 kg, 8-21cm (3 1/4

A group of four large polished amazonite pebbles; supplied in white cardboard trays. 787 grams total, 70-80mm (2 3/4 - 3 1/4"). From the historic ‘Victorian Museum’ or later collection of Gregory,