Amazing Pair of 180 Million Year Old Pretrified Fossil Wood Bookends Door Stops

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Amazing Pair of 180 Million Year Old Pretrified Fossil Wood Bookends Door Stops

About the Item

We are delighted to offer for sale this lovely pair of 180+ Million year old petrified fossil wood lumps to be used as bookends door stops or decoration I have five pairs of these, each one is different and listed under my other items They are all used, they have a sublime patination, exceptionally decorative I absolutely love them There will be signs of use, maybe chips and cracks, it all adds to the genuine age, look and feel Dimensions: Height 22cm and 20cm Width 13cm and 12cm Depth 7.5cm and 9cm Please note all measurements are taken at the widest point Petrified wood (from the Latin root petro meaning "rock" or "stone"; literally "wood turned into stone") is the name given to a special type of fossilized remains of terrestrial vegetation. Petrifaction is the result of a tree or tree-like plants having been replaced by stone via a mineralization process that often includes permineralization and replacement. The organic materials making up cell walls have been replicated with minerals (mostly a silicate, such as opal, chalcedony, or quartz). In some instances, the original structure of the stem tissue may be partially retained. Unlike other plant fossils, which are typically impressions or compressions, petrified wood is a three-dimensional representation of the original organic material. The petrifaction process occurs underground, when wood becomes buried in water-saturated sediment or volcanic ash. The presence of water reduces the availability of oxygen which inhibits aerobic decomposition by bacteria and fungi. Mineral-laden water flowing through the sediments may lead to permineralization, which occurs when minerals precipitate out of solution filling the interiors of cells and other empty spaces. During replacement, the plant's cell walls act as a template for mineralization. There needs to be a balance between the decay of cellulose and lignin and mineral templating for cellular detail to be preserved with fidelity. Most of the organic matter often decomposes, however some of the lignin may remain. Silica in the form of Opal-A, can encrust and permeate wood relatively quickly in hot spring environments. However, petrified wood is most commonly associated with trees that were buried in fine grained sediments of deltas and floodplains or volcanic lahars and ash beds. A forest where such material has petrified becomes known as a petrified forest. This item is available for collection from our Wimbledon warehouses Condition Please view the very detailed pictures as they form part of the description around condition Please note vintage period and original items such as leather seating will always have natural patina in the form of cracking creasing and wear, we recommend regular waxing to ensure no moisture is lost, also hand dyed leather is not recommended to sit in direct sunlight for prolonged periods of time as it will dry out and fade.

Dimensions:
Height: 8.67 in (22 cm)Width: 5.12 in (13 cm)Depth: 2.96 in (7.5 cm)
Sold As:
Set of 2
Style:
Other (Of the Period)
Materials and Techniques:
Wood,Hand-Crafted
Period:
15th Century and Earlier
Date of Manufacture:
180 million years old
Condition:
Wear consistent with age and use. Minor fading.
Seller Location:
GB
Reference Number:
1stDibs: LU2823321466382