Amethyst 'Porcupine' Mineral Specimen.

A group of 15 mixed mineral specimens, including: citrine druse (2), aragonite 'sputniks' (2), tourmaline in quartz, amethyst, banded jasper, clay in quartz 'porcupines' (3), natural agate slices (3),

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

Gerson silver plated pelican with amethyst mineral specimen body, height is 12"

A fine formation of orange citrine crystals on a matrix, in white card tray with label reading: 'Citrine Porcupine, Rio Grande do Sul, Brazil'. 160 grams, 83mm (3 1/4"). From a historic ‘Victorian M

Natural History- Amethyst Mineral Specimen Estate Natural Amethyst Geode Color: shades of deep purple Dimension: approximately: 5"x 5.75" Condition:good estate conditionProvenance: Private Estate

AMETHYST MINERAL SPECIMEN. LENGTH 10"

A citrine 'porcupine' of dense small crystals, some with dark brown tips, in white card tray. 271 grams, 80mm (3 1/4"). From a historic ‘Victorian Museum’ collection; from the stock of Gregory, Bo

A free-standing section of a geode with amethyst crystals of good colour. 657 grams, 11 cm high (4 1/4 in.). From a Lincolnshire, UK, collection. [No Reserve]

6 1/2" by 3 1/2"

A fine large slab of purple amethyst crystals on a matrix. 2.56 kg, 21cm (8 1/4"). From the historic ‘Victorian Museum’ and later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Grego

A fine deep purple amethyst specimen cut and polished to one side, with rainbow reflections; in white card tray with label reading: 'AMETHYST, Rio Grande do Sul, Brazil'. 188 grams, 82mm (3 1/4"). Fro

A fine dark purple amethyst specimen in white card tray with label reading: 'AMETHYST, Rio Grande do Sul, Brazil'. 48 grams, 46mm (1 3/4"). From the historic ‘Victorian Museum’ and later collectio

A group of two hundred and fifty purple amethyst crystal specimens. 1.7 kg total, 17-40mm (1/2 - 1 1/2"). From a historic ‘Victorian Museum’ collection; from the stock of Gregory, Bottley & Lloyd

Nice grouping.

Nice grouping.

Nice grouping.

Nice grouping.

Large cathedral-form amethyst mineral specimen. 26" H.

Carved amethyst mineral specimen owl bird sculpture with metal feet, perched upon large raw quartz stone. Features finely detailed feathers, with beak and eyes comprised of semi precious stones. No ap

Grotto Rock Crystal Table Lamp, pyramid form rock crystal, amethyst, mineral specimens, semi precious stones, and bird figures in the manner of Tony Duquette. total height 24 inches, width 12 1/2 inch

Vintage Amethyst Gemstone Geode Mineral Specimen with Crystal Clusters. Measures 4-1/2" x 9-3/4" x 3-1/2". Condition: Good condition. Estimate 100.00 - 300.00 Domestic shipping Third party

A geode section containing richly-coloured amethyst crystal with two clusters of translucent opaque crystals; supplied in a white cardboard tray. 220 grams, 85mm (3 1/2"). From the historic ‘Victori

A fine specimen of deep purple amethyst crystals formation, in white card tray with label reading, from Rio Grande do Sul, Brazil. 530 grams, 11cm (4 1/2"). From a historic ‘Victorian Museum’ coll

Art by God, Monumental natural history crystal quartz mineral specimen. Deep purple cathedral amethyst geode. Emits a vibrant, positive energy, helping to balance the harmony in one's life, home or of