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Buckingham Slate is quarried in Buckingham County, Virginia, in the town of Arvonia. This natural stone has a distinct gray/blue/black color and glistens due to its mica content. This natural stone has a distinct gray/blue/black color and glistens due to its mica content.
Slate has been quarried in north Wales for almost two millennia with the Segontium Roman fort at Caernarfon being roofed by local slate in the late second century. Export of slate has been carried out for several centuries, which was recently confirmed by the discovery in the Menai Strait of the wreck of a 16th-century wooden ship carrying finished slates.
This natural stone has a distinct gray/blue/black color and glistens due to its mica content. One of the highest quality slates in the world, this unfading slate has long been used for architectural applications such as flooring, paving, wall cladding, stairs, counter tops, fireplace surrounds, gravestones and roofing.
The world's biggest consumer of slate is France, followed by the UK, USA and Germany. In 2012, Spain produced more than 580,000 tonnes (570,000 long tons; 640,000 short tons) of slate worth about $380 million. This made it the largest slate producer in the world, followed by China and Brazil. [3]
The Honister Slate Mine in Cumbria is the last working slate mine in England. Quarrying for Westmorland green slate has been taking place in the area since the late 17th century. Apart from the mining it is also a popular tourist attraction in the Lake District National Park.
On or near the surface, fieldstones come in many colors, and are limited in size to about 4 feet in diameter, although larger rocks are sometimes recovered. Pretty and colorful, fieldstones are used occasionally as building materials; some of the more stately homes on the Prairies are constructed of fieldstone and are over a century old.
Lath seen from the back with white plaster coat oozing through. Lath and plaster is a building process used to finish mainly interior dividing walls and ceilings. It consists of narrow strips of wood which are nailed horizontally across the wall studs or ceiling joists and then coated in plaster.
Phyllite Photomicrograph of thin section of phyllite (in cross polarised light) Fractured Duke stone showing phyllitic texture Phyllite. Phyllite (/ ˈ f ɪ l aɪ t / FIL-yte) is a type of foliated metamorphic rock formed from slate that is further metamorphosed so that very fine grained white mica achieves a preferred orientation. [1]