Loading, please wait...
LOT 2143
Natural History - Cut and Polished Pyrite Crystal Block
3 3/8 in. (729 grams, 85 mm).
Comprising a roughly rectangular matrix with one polished face containing a large quantity of pyrite crystals. [No Reserve]
ProvenanceEx 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.
-
Natural History - Boxed Mixed Crystal Display Specimen Group [3]
Sold for (Inc. bp): £20
Comprising purple amethyst from Rio Grande do Sul, Brazil; pyrite from Huanuco, Peru; specularite with quartz from Florence mine, Cumbria; each in a labelled specimen box. 421 grams total, 64-75 mm
From Peru, Brazil and Cumbria, UK. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Agatized Fossil Tree Trunk Cut Slice
Triassic Period, 251-199 million years B.P.Sold for (Inc. bp): £7
With one partially polished face displaying dark red banding. 1.04 kg, 21.5 cm
From Madagascar. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Large Cut Agate Section Group [2]
Sold for (Inc. bp): £13
Each showing banding and crystal formations. 2.34 kg total, 21.5-26 cm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).