Amethyst 'Porcupine' Crystal Display Specimen

A chunky mineral specimen displaying dark purple amethyst crystals on a matrix. 1.06 kg total, 12.6 cm (5 in.). From Brazil. Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [No Rese

A fine specimen of white through to deep purple amethyst crystals on matrix. 2 kg, 17cm (6 3/4"). Ex Dr M. G. 'Sam' Weller, MBE, collection, Cornwall, UK; formerly with Henson, Knight, Weller Exchange

Beautiful, natural amethyst geode display specimen, with large chunk crystals. Uruguay origin stone. 6" L X 5" W X 2" H.

A box of thirty eight amethyst clusters, ranging in colour from a pale, almost transluscent purple to a deep rich purple; some forming 'porcupine' blooms of clusters. From Brazil; from the historic ��

Large Natural Form Crystals on Wood Base, Quartz Amethyst. This conglomerate of crystal specimens is mounted as a sculpture on a display base of carved wood, with a range of pink, purple, and clear co

Amethyst on metal display stand. 32lb Uruguay

Amethyst Geode on Metal Display Stand Brazil

-AMETHYST CRYSTAL DISPLAY GEODE-SIZE: 10"W X 11"H-VERY GOOD CONDITION -JR BTQ 01/24 Bidders may pick up their items from the auction-house or have their items shipped.Appointments are required for loc

Large AMETHYST Crystal Specimen Geode. Lights. -- Dimensions: H: 11.5 inches: W: 16 inches: D: 15 inches ---

Large Amethyst Crystal Specimen. Measures 10.5 x 4.5 inches.

A polished geode section with amethyst crystals in attractive deep purple colour; mounted on a custom-made display stand. 1.17 kg total, 19 cm high including stand (7 1/2 in.) Lincolnshire, UK, collec

An unusually fine specimen of multiple acicular quartz crystals, all with chlorite inclusions. 324 grams, 13.5cm (5 1/2"). From the private collection of Edward Owens of Cheshire, UK; acquired on the

A cut section of amethyst crystals of good colour on a custom-made display stand. 1.6 kg total, 12 cm high (21 cm high including stand) (4 3/4 in. (8 1/4 in.)). Ex Lincolnshire, UK, collection. [No Re

Comprising a cluster of well-formed radiating prismatic crystals. 244 grams, 90 mm (3 1/2 in.). From Brazil.Ex Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [No Reserve]

Raw crystal cluster specimen on amethyst with raw stone on underside. Approximately 5 inches wide. Moderate wearing due to exposure. Amethyst cluster, crystal cluster, stone cluster, geology, crystal

A group of five geode sections with amethyst crystals in various sizes and shades. 185 grams total, 24-40mm (1 - 1 1/2"). From the historic ‘Victorian Museum’ or later collection of Gregory, Bottl

Comprising lavender-coloured prismatic crystals on a freestanding cut matrix. 283 grams, 72 mm (2 7/8 in.). From a Lincolnshire, UK, collection. Property of a Cambridgeshire, UK, gentleman. [No Reserv

A large single amethyst crystal with well formed prism facets and colour graduation from white to dark purple. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, pp.222-223. 180 grams, 70mm (2 3/

An amethyst specimen with well-defined crystals within the cavern, in various sizes, the colours ranging from lavender to dark purple. 667 grams, 11.5 cm (4 1/2 in.). From Brazil. Private Shropshire,

A group of clear quartz acicular 'needle' crystals on matrix. 139 grams, 79mm (3"). From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Grego

. A group of two matrices, each displaying tourmaline crystals of various sizes. 195 grams total, 73-85 mm (3 - 3 1/4 in.). Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [2, No Re

A group of three grossular garnet chunks. 1.5 kg total, 8.4-10.9 cm (3 1/4 - 4 1/4 in.). Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [3, No Reserve]

Rock cluster with large amethyst crystals. 10” x 11” x 12”

4 Natural Amethyst Crystal Specimens Geode Pieces. Larger measures 8 inches x 5 inches.