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_900x900.jpg "Optical Calcite Mineral Specimen Collection")
_200x200.jpg "Optical Calcite Mineral Specimen Collection")
.jpg "Optical Calcite Mineral Specimen Collection")
LOT 2774
Optical Calcite Mineral Specimen Collection
5/8 - 7/8 in. (170 grams total, 18-22 mm).
A group of ten optical calcite specimens, each held in a white card collector's tray. [10, No Reserve]
ProvenanceDurango, Mexico.
Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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.
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Large Natural Double Fossil Coral Head
Devonian Period, circa 417-354 million years B.P.Sold for (Inc. bp): £26
An unpolished fossilised coral colony. 1.34 kg, 18.2 cm
From a Cambridgeshire, UK, collection. -
Mosasaur 'Marine Dinosaur' Fossil Jaw Fragment
Cretaceous Period, circa 145-65 million years B.P.Sold for (Inc. bp): £91
A composite jaw fragment set with a single tooth showing good brown enamel. 151 grams, 11 cm
From Morocco, North Africa. From a Cambridgeshire, UK, collection.
The Mosasaur is an extinct, large marine reptile dinosaur with an elongated body, long snout and paddle-like limbs. Found worldwide, they competed with other well-known sea predators of the Late Cretaceous, such as plesiosaurs and ichthyosaurs, for food, existing primarily on a diet of ammonoids, cuttlefish and fish. -
![Group of Twenty [20] Cut and Polished Agate Geode Slices](https://timelineauctions.com/upload/images/items/small/251021-s.jpg)
Group of Twenty [20] Cut and Polished Agate Geode Slices
Sold for (Inc. bp): £111
Comprising twenty transparent to translucent slices, some with a crystalline centre, four dyed. 560 grams total, 5.5-10.8 cm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
