Natural History - Australian Agate Creek 'Thunder Egg' Cut Half Group [2]

Two halves of an agate 'thunder egg', each with one polished face and crystals to the exposed inner surface. 290 grams total, 78-80 mm (3 in.). Agate Creek, Australia. Mineral Imports, London, UK. Gre

Two halves of a nodule of Australian 'Thunder Egg', cut and polished to reveal yellow, red and buff colours to the centre. 355 grams total, 83 mm each (3 1/4 in.) Agate Creek, Australia. Mineral Impor

Agate Creek, Australia, 'thunder egg' with 'fantastic bird' in red. Extremely fine condition. Increasingly rare in this size. 711 grams total, 88mm (3 1/2"). From the historic ‘Victorian Museum’ a

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 (

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 five polished mineral 'eggs' in onyx, banded agate, serpentine(?"). 1.3 kg total, 69-80mm (2 3/4 - 3 1/4"). Ex Thompson collection, Devon, UK. [5, No Reserve]

A group of 10 cut and polished natural agate halves. 2.3 kg total, 67-88 mm (2 5/8 - 3 1/2 in.). Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [10, No Reserve]

Cretaceous Period, 200-65 million years BP. Group comprising: a small ammonite, cut and polished in two halves, with two small fossil fish specimens, in matrix. 618 grams total, 3.2-14.7cm (1 1/4 - 5

A group of twenty-seven natural geode halves with quartz crystals from Brazil, each cut with a polished face. 1037 gram total, 37-70mm (1 1/2 - 2 3/4"). From an old Lincoln Collection [27, No Reserve]

A mixed group of polished mineral 'eggs' including onyx, amethyst(?), serpentine(?"). 484 grams total, 48-64mm (2 - 2 1/2"). Ex Thompson collection, Devon, UK. [4, No Reserve]

Large group of cut and polished rocks and geode slabs. Sizes range from 2" to 9".

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 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

Cut geode of thunder egg agate, approximately 3.5 inches white and 2.25 inches long. Raw geode on exterior with cut flat agate on other side. Cut geode specimen, Geode specimen, stone specimen, geolog

Geode Halves Thunder Eggs 2 Pieces 2lb 7oz

Comprising: yellow sulphur; a cut malachite specimen; smoky quartz point; vanadinite in a specimen box; agate slice; several cut geodes, and others. 2.9 kg total, 18-95 mm (3/4 - 3 3/4 in.). Acquired

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 group of 50 cut and polished natural agate slices. 505 grams total, 36-61 mm (1 3/8 - 2 3/8 in.). Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [50, No Reserve]

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]

Jurassic Period, 201-145 million years BP. A group of cut and polished ammonite halves revealing the inner chambers, two in old white card trays with A.B. Cotterill Collection, Wollaton, Nottingham, U

. With enhanced pink-colour and also showing translucent to opaque quartz crystals. 539 grams, 23.2 cm (9 1/8 in.). Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). [No Reserve]

Group lot of 2 eggs, both at 4.25 inches long. 1 natural stone egg, weighted, poussin made of an agate. 1 art glass egg, with orange and white spiral patterns on interior. Approximately 4.25 inches lo

20th century AD. A group of turned mottled pink agate counters each with a chamfered or rounded edge. 226 grams total, 37-39mm (1 1/2"). Property of a Hampshire collector; from Mexico. [13, No Reserve