Natural History - Dyed Agate on Stand

A sawn and polished pair of natural agate geodes with several 'eyes' and cavities filled with amethyst crystals, with stands. From the historic ‘Victorian Museum’ collection of Gregory, Bottley &

A sawn and polished pair of banded white agate geodes with brown agate rim and centre hollow lined with quartz crystals, with stands. From the historic ‘Victorian Museum’ collection of Gregory, Bo

A sphere cut from an agate geode with a quartz crystal filling, the crystal terminations outlined by another mineral, probably hematite, with antique turned wood base. From the historic ‘Victorian M

A group of two necklaces of spherical and oblate banded agate beads with gold-coloured metal spacer beads and clasp. 82 grams total, 36-56cm (14 - 22"). Property of a London gentleman; acquired from h

20th century AD. A group of turned and polished agate disc counters, each with a chamfered edge. 217 grams total, 38-39mm (1 1/2"). Property of a Hampshire collector; from Mexico. [13, No Reserve]

A group of six cut and polished purple agate geode sections, with exposed crystals; colour-enhanced. 1.39 kg total, 69-94 mm (2 3/4 - 3 3/4 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (

. Each polished to expose the layers of the inner core; felt-backed. 774 grams total, 11-13.5 cm (4 1/4 - 5 1/4 in.). Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [6, No Reser

A group of four cut and polished agate nodule ends with bands of colour and crystalline growth. From the historic ‘Victorian Museum’ or later collection of Gregory, Bottley & Lloyd (Gregory's); fo

A fine 16 mm thick natural agate slab with a crystalline initial layer with a white agate central layer and a hollow filled with lilac amethyst, with two old, unreadable paper labels. From the histori

A tray carved from an agate nodule, with quartz crystal rim; colour enhanced. From the historic ‘Victorian Museum’ and later collection of Gregory, Bottley & Lloyd (Gregory's); formerly Gregory, B

BOX LOT ASSORTED DYED AGATE SALTS, STANDS, ETC

An extraordinary South Seas gigantic clam shell specimen, scientifically known as Tridacna gigas. This impressive natural history artifact stands out with its deep-set scalloped edges, a hallmark of i

An extraordinary South Seas gigantic clam shell specimen, scientifically known as Tridacna gigas. This impressive natural history artifact stands out with its deep-set scalloped edges, a hallmark of i

Large agate geode cross section slice with a smooth high mirror polished finish. OOAK ( one of a kind ) color variations and design patterns seen in this example. Accompanied with a clear plastic stan

A polished three-sided 'pyramid' of lace agate with numerous twists and swirls picked out in various shades of white and green, the base unpolished to expose the patterns in the raw stone. See Bonewit

A group of six cut and polished agate geode slices; colour-enhanced. 322 grams total, 8.8-10.7 cm (3 1/2 - 4 1/4 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [6, No Reserve]

A group of eight agate geode sections. 3.5 kg total, 85-96 mm (3 3/8 - 3 3/4 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [8, No Reserve]

A group of six polished agate geode slices; colour-enhanced. 396 grams total, 8.7-11.8 cm (3 3/8 - 4 5/8 in.). Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [6, No Reserve]

A fine slice of natural banded agate with numerous colour bands, and with fine bands producing a rainbow effect, the hollow centre lined with quartz crystals. See Bonewitz, Dr. Ronald Louis, Rocks & M

A massive cut and polished agate slice showing bands of blue and brown colour to the border, honeycomb quartz crystals to the centre. From the historic ‘Victorian Museum’ or later collection of Gr

Coral and dyed natural stone three stand beaded necklace | Measurement: 16.5" - 18.5" length

A large pink agate crystal slice, polished on both faces; colour-enhanced. 484 grams, 23.5 cm (9 1/4 in.). From Antigas, Uraguay.Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [No R

Devonian Period, circa 417-354 million years B.P. Both set on a textured freestanding matrix and polished to reveal the internal gas chambers. 810 grams, 16 cm high (6 1/4 in.). From a Cambridgeshire,

Comprising three transparent slices showing attractive banding. 286 grams total, 9-14 cm (3 1/2 - 5 1/2 in.). Ex Mineral Imports, London, UK.Gregory, Bottley & Lloyd (Gregory's). [3, No Reserve]