Loading, please wait...
LOT 2769
Manganese Dendrite Landscape Plaque Group
2 1/2 - 4 1/4 in. (235 grams total, 6.4-10.8 cm).
A group of three sawn rectangular shale specimens, each displaying manganese oxide dendrites. [3, No Reserve]
ProvenanceEx 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.
-
Monumental Geode Section with Druzy Quartz Stalagmites
Estimate: £4,000 - 6,000 (+bp*)
Opening Bid: £2,200
A rounded geode section with towering stalagmites with druzy grey quartz; mounted on a custom-made display stand. 68.4 kg total, 100 cm including stand
From Artigas, Uruguay. Property of a London lady. -
Collection of Seventy Three [73] Boxed and Unboxed Amethyst Crystal Geode Display Pieces
Sold for (Inc. bp): £20
Boxed group of light to dark purple amethyst crystal specimens, including some on matrix. 1.95 kg total including box, 16-66 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Fossil Mahoumacrinus Crinoid Plate
Devonian Period, circa 400 million years B.P.Sold for (Inc. bp): £26
On a tongue-shaped matrix showing part of the stalk and calyces. 797 grams, 19.1 cm
From a Cambridgeshire, UK, collection.