Large Calcite Mineral Specimen

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 large sheet of small, acicular calcite crystals on matrix. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.177. 725 grams, 22cm (8 3/4"). From the historic ‘Victorian Museum’

A mineral specimen of translucent calcite on quartz with a large layered dark mass to the centre, a small cluster of clear six-sided pyramid crystals underneath, old inked collection number '517' to 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,

An interesting sceptre-shaped formation of large rhombohedral calcite crystals on a stalactitic formation of crystalline calcite, salmon-coloured tabular cluster of stilbite crystals to one side. 337

Extra Large Apatite in Calcite 1980s Canada

Extra Large Septarian with Calcite Pocket Kanab, Utah 9.5 x 8"

Mexican Mineral Mix: Wulfenite/Mimetite, Vesuvianite, Marcasite, Malachite/Chrysacola, Rosasite (Cumbre Vein, Level 6, Mina Ojuela, Mapimi) Tennanite/Quartz, Large Angel Wing Calcite [Old Locality Pie

2pc Rock Mineral Specimen. Geode. Large Amethyst Crystals including calcite on dark purple fluorite Dimensions: H: 5 inches: W: 6 inches: D: 8 inches --- US Shipping charge: In house shipping availabl

Lot of 10 pieces of assorted crystal and mineral specimens. Includes a pair of standing agate slices, three smaller agate sliced with stands, a large 8" x 7" x 1.75" agate slice with stand, a large 9"

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

Large mineral crystal specimen, Natural mineral crystals possibly golden calcite, or quartz on natural substrate, approx. 5.5"h x 15"l x 9"w

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 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 sphalerite matrix with small clusters of yellow mimetite crystals and large white hexagonal calcite crystals; supplied in a cardboard specimen tray. 150 grams, 71 mm (2 3/4 in.). Mineral Imports, Lo

Lot Mixed Minerals,Rocks,& Fossils,Museum Specimens. This is a great lot of different types of rocks, minerals, and fossils. Included is: a large geometric chunk of coal, obsidian, blue calcite, a

Rio Grande Do Sul, Brazil. Large and attractive example. 7 kg. 43cm wide. Keywords: Rock, Mineral, Gemstone, Gem, Rough, Raw, Specimen, Natural

Large mineral collection consisting of half-cut geodes. Specimens include Brazilian quartz, Oregon thunderheads, Calcite, Pakistani Foraminifera, Kentucky quartz, Mexican lavender quartz, and Mexican

probably cavansite rosettes on stilbite terminations and other mineral matrix, 18 x 8-1/2 x 3-1/2 in. Provenance: The Estate of Peter H. Tillou, Litchfield, Connecticut

Rare amazing natural piece on custom stand 18"; 25 pounds 54 Kg

Mineral specimen, large rough-hewn quartz druzy crystal geode on brass stand. 8" diameter.

Large mineral specimen with parent rock, color spectrum from whitish-transparent to brownish, bumped, approx. 18 x 27 x 17 cm

DescriptionMaterials: celestine, calciteBlue Celestine Crystals With Calcite Mineral Specimen From Baghdis, AfghanistanWeight: 85.25 CaratsSize : 38*26*17 mmOrigin : Baghdis, AfghanistanTreatment : Na

Materials: Terminated Celestine with Calcite 5 Grams Very Beautiful Terminated Celestine with Calcite mineral Specimen From Afghanistan Size 2 CM X 1.4 CM X 1.6 CM Reserve: $75.00 Shipping: Domestic: