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![Cut and Polished Agate Crystal Geode Half Collection [3]](https://timelineauctions.com/zoom_images/zoomthumb/2/2/227981_900x900.jpg "Cut and Polished Agate Crystal Geode Half Collection [3]")
![Cut and Polished Agate Crystal Geode Half Collection [3]](https://timelineauctions.com/zoom_images/zoommap/2/2/227981_200x200.jpg "Cut and Polished Agate Crystal Geode Half Collection [3]")
![Cut and Polished Agate Crystal Geode Half Collection [3]](https://timelineauctions.com/upload/images/items/227981.jpg "Cut and Polished Agate Crystal Geode Half Collection [3]")
LOT 2457
Cut and Polished Agate Crystal Geode Half Collection [3]
2 7/8 - 3 1/4 in. (662 grams total, 74-83 mm).
A trio of rounded geode halves, each with a large exposed internal crystal-filled cavity, one with a large single clear crystal. [3, No Reserve]
ProvenanceFrom Brazil.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
TimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process
AUCTIONS:
TimeLine is a leading auction house specialising in antiquities, ancient art, collectables, natural history, coins, medals, and books. Our auctions offer museums, collectors, historians, and enthusiasts the opportunity to acquire unique and historically significant pieces.
LOT 2457
Cut and Polished Agate Crystal Geode Half Collection [3]
Sold for (Inc. bp): £26
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Large Polished Fossil Goniatite Display
Devonian Period, circa 400 million years B.P.Sold for (Inc. bp): £20
Freestanding and polished to reveal internal structures. 1.61 kg, 19.5 cm
From Atlas Mountains, Morocco, North Africa. From a Cambridgeshire, UK, collection. -
![Historic Roman Spartan Basalt Cut & Polished Green Porphyry Sheet Group [3]](https://timelineauctions.com/upload/images/items/small/228198-s.jpg)
Historic Roman 'Spartan Basalt' Cut & Polished Green Porphyry Sheet Group [3]
Sold for (Inc. bp): £169
Large cut and polished sections, mined in Greece, cut and polished on both sides, probably recycled material mined in ancient Roman times. 375 grams total, 11.4-13.3 cm
From Greece. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
Also known as Lapis Lacedaemonius and Porfido Verde Antico, a type of green porphyry quarried in Greece. Spartan basalt is a form of andesite or volcanic rock known today only from a single source in the village of Krokees on the Peloponnese in Greece. In addition, ancient sources mention a quarry of Lapis Lacedaemonius in Taygetus. -
Polished Fossil Coral Head Heart Collection
Devonian Period, circa 417-354 million years B.P.Sold for (Inc. bp): £26
Comprising five polished shapes showing the internal structure of the head. 123 grams total, 33-36 mm
From a Cambridgeshire, UK, collection.
