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![Natural History - Boxed Opal in Matrix Specimen Collection [13]](https://timelineauctions.com/zoom_images/zoomthumb/2/0/208023_900x900.jpg "Natural History - Boxed Opal in Matrix Specimen Collection [13]")
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![Natural History - Boxed Opal in Matrix Specimen Collection [13]](https://timelineauctions.com/upload/images/items/208023.jpg "Natural History - Boxed Opal in Matrix Specimen Collection [13]")
LOT 2243
Natural History - Boxed Opal in Matrix Specimen Collection [13]
1 1/2 - 2 in. (346 grams total, 37-50 mm).
Each matrix with variously sized fire opal inclusions, supplied in labelled specimen trays. [13, No Reserve]
ProvenanceFrom Bocoyna, Chihuhuahua, Mexico.
Ex 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:
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LOT 2243
Natural History - Boxed Opal in Matrix Specimen Collection [13]
Sold for (Inc. bp): £65
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Natural History - Historic Large Pyrite Crystal Formation
Sold for (Inc. bp): £59
The large outer crystals enclosing a dense cluster of small crystals forming a 'flower'. 285 grams, 90 mm
Collected in person from various parts of the world mainly between 1957-1966. From the private mineral collection of Stephen Atkinson, Harpenden, UK. Accompanied by a copy of a letter from the vendor giving details of him collecting these minerals throughout his life. -
Natural History - Fossil Hollardops Trilobite
Devonian Period, circa 417-354 million years B.P.Sold for (Inc. bp): £33
Hollardops mesacristata on a matrix. 165 grams, 80 mm
From Morocco, North Africa. From a Lincolnshire, UK, collection. -
![Natural History - Cut and Polished Brazil Agate Crystal Geode Half Collection [3]](https://timelineauctions.com/upload/images/items/small/208091-s.jpg)
Natural History - Cut and Polished Brazil Agate Crystal Geode Half Collection [3]
Sold for (Inc. bp): £14
Comprising: one with brown banding and the internal cavity with pyrite and quartz crystals; one with pink, white and blue banding, the internal cavity with quartz and pyrite crystals; one with dark brown and grey banding, the internal cavity with a smooth layer of white agate. 1.62 kg total, 10-10.4 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).
