Large Haematite and Calcite Crystal Specimen

A large calcite crystal specimen with cortex. 22 kg, 44cm (17 1/4"). From the former stock of Gregory, Bottley & Lloyd (established 1858); recently reviewed by Dr. Ronald Bonewitz.

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

Oversized specimen of calcite crystal in natural raw form set in limestone rock. Measures 14 in. Ht, , 16 in. X 15 in. Wide. Large, defined rhombohedral terminations crystals. Raw Natural Crystal Spec

. 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

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

Large specimen of scalenohedral calcite/dolomite crystals, milky pink in color at the tips, near-clear yellow at the bases. Interior crystalline core is black and possibly siderite. Specimen is heavie

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’

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

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"

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 29 mineral specimens, including: popcorn aragonite, citrine (2), rock crystal (2), red jasper, green calcite, haematite, amethyst (2), galena, apophyllite, blue agate, dendrite, pyrite, dio

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 large specimen of pinkish hobnail calcite, 14 x 12 x 4 inches. Calcite crystals vary from 3/8-inch to more than one inch across. A beautiful viewing piece on a sturdy shelf or in a display case. See

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

Large single plate of calcite with hematite. Mix of small and larger crystals. Measures 15 x 9 x 3" State: City: Date: Provenance: Chunlin Zhu Collection

A Golden Calcite Crystal Specimen. Measuring 8in (20cm) x 6in (15cm) x 4in (10cm). Condition Report: All lots are sold as is and where is. Turner Auctions + Appraisals, LLC provides condition reports

A Green Calcite Crystal Specimen. Measuring 10in (25cm) x 7in (17.8cm). PLEASE NOTE HEAVY FOR SHIPPING. Condition Report: All lots are sold as is and where is. Turner Auctions + Appraisals, LLC provid

Large Crystal Specimen, measures 7'' x 8'', missing a few of the crystals

Large Crystal Specimen from Arkansas, US. Measures 3 3/8" by 2 1/2" wide.

Large Calcite Crystal measuring appx 12" X 8" x 6"

Very large York County Calcite sample measuring 9" x 10" x 12"