Large Dravite Tourmaline Mineral Specimen

Large black tourmaline specimen as shown - about 2 1/2 - 3 inches across and nice shape- is a protective stone-

A large fine specimen of a deep green tourmaline, in white card tray with label reading: 'Tourmaline, Minas Gerais, Brazil'. 34 grams, 30mm (1 1/4"). From a historic ‘Victorian Museum’ collection;

A very large group of polished tourmaline in various shades and sizes. 101 grams total, 5-14mm (1/4 - 1/2"). From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (G

Extra Large Green Tourmaline Crystal 6lb 13oz

A quartz matrix with large black schorl tourmaline crystals on a layer of small clear to white quartz crystals; supplied in a cardboard specimen tray. 270 grams, 82 mm (3 1/4 in.). Mineral Imports, Lo

. The colour ranging from light to dark green. 516 grams total, 5-13 mm (1/4 - 1/2 in.). Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [No Reserve]

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

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

Materials: Gem type: Tourmaline Description Tri Color Tourmaline Crystal, Pink Tourmaline, Raw Tourmaline, Mineral Specimen, Tourmaline Crystal From Paproke Crystal is terminated. Crystal has incredib

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

South Africa agate (78 g), black tourmaline crystal (68 g), agate geode (Brazil), aquamarine specimen in black tourmaline (Afganistan, 110 ct), red tourmaline quartz (53 g), green tourmaline crystals

Erongo Massif - Namibia. Aquamarine and black Tourmaline crystals 58mm x 32mm

Apophyllite and stilbite, astrophyllite crystals (Mississippi), and tourmaline crystal specimen assortment.

A fine black tourmaline column, in white card tray with label reading: 'TOURMALINE, Minas Gerais, Brazil'. 16 grams (80 carats), 39mm (1 1/2"). From the historic ‘Victorian Museum’ and later colle

A group of rough tourmaline specimens in black, green, red and orange. 102 grams total, 9-37mm (1/4 - 1 1/2"). From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd

Materials: Gem type: Tourmaline Description Tourmaline Specimen, Natural Tourmaline Crystals Cluster with Rare Microlite, Green Tourmaline, Mineral Specimen, Tourmaline crystals are terminated, Tourma

Large mineral specimen of Malachite , likely in limestone rock. Measures 8 x 6 x 3 in. Malachite forms deep within the earth over or of copper deposits . It’s distinctive deep green banded colo

Large mineral specimen of Malachite , likely in limestone rock. Measures 8 x 6 x 3 in. Malachite forms deep within the earth over or of copper deposits . Its distinctive deep green banded color is wel

Large mineral specimen of seafoam-colored quartz with mineral needles. Measures 14"L x 12.5"W x 5.5"H. Condition report: Good condition, no issues, please examine all photos closely. Contact C. Biddle

Materials: Gem type: Tourmaline Description Natural Tourmaline, Green Tourmaline Crystals With Quartz , Raw Tourmaline , Rough Tourmaline Minerals Specimen From Afghanistan - 17 Gram Weight :17 gram D

DESCRIPTION: Large Labradorite mineral specimen slab with organic form and polished finish, displayed on wood carved stand. CIRCA: 20th Cent. ORIGIN: Unknown DIMENSIONS: (On Stand) H: 12.5" x W: 6.5"

A large amethyst mineral specimen or sliced geode, having a natural, faceted polished purple interior, and a raw exterior. Mounted with a chain to reverse for hanging. Unmarked. Approximate height 4.2

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

LARGE BLACK TOURMALINE SPECIMEN ON WOOD STAND (T8) 12.4 LBS. Height: 9 in. by Width: 5 in. by Depth: 4 in.