Natural History - Amethyst Crystal Specimen

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 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 ��

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

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

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

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]

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

Art by God. A natural history crystal quartz mineral specimen. Deep purple cathedral amethyst geode naturally formed over millions of years into the shape of Horn of Plenty Cornucopia. Emits a vibrant

Art by God. 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 office space.

Art by God. A natural history crystal quartz mineral specimen. Deep purple cathedral amethyst geode. Large maw like opening to front, giving the impression of an emerging shark's head with smaller ope

Art by God, Natural History Crystal Quartz Mineral Specimens. Near matched pair of deep purple Amethyst cathedrals. Not only are these geodes stunningly beautiful, they also give off a vibration of po

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

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

Measures approximately 9"x 8-1/2" x 4-1/2". Total weight 4089 grams. Shipping: In-House Shipping Offered

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

Comprising eleven clusters of pseudo-hexagonal twinned crystals. 313 grams total, 28-54 mm (1 1/8 - 2 1/8 in.). From Brazil.Ex Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [11, No

A superb amethyst 'sceptre' crystal, the finely-formed amethyst resting on a quartz crystal, in white card tray with Gregory, Bottley and Lloyd label reading: 'AMETHYST sceptre, Denny Mountain, Washin

Comprising large well-formed purple amethyst crystals on a thick matrix. 682 grams, 95 mm (3 3/4 in.). From Brazil.Ex Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [No Reserve]

A group of 50 quartz crystal specimens including clear examples with points. 1.67 kg total, 27-87 mm (1 - 3 3/8 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [50, No Reserve]

A large natural deep purple crystal cathedral amethyst quartz geode mineral specimen. Emits a vibrant, positive energy, helping to balance the harmony in one's life, home, or office space. Dimensions:

Three mineral geode specimens. Lot includes (1) green fluorite quartz crystal, (1) natural purple amethyst crystal geode, and a agatized coral fragment. Measurements ranging from 6" x 8" x 4.5" to 2.5

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 large, well-formed single crystal of rock crystal quartz. See Bonewitz, Dr. Ronald Louis, Rocks & Minerals, 2008, p.219. 752 grams, 14cm (5 1/2"). From the historic ‘Victorian Museum’ a

Estate collection of 10 natural geodes. Includes: (4) natural stone geode statues, cut and polished; (1) large natural stone geode statues, cut and polished with crystal cluster center; (2) amethyst q