Welsh Slate

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Welsh Slate
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This fine-grained grey piece of rock is the strongest and most durable type of slate ever discovered. It is extracted in northwest Wales, the industry that surrounded it’s mining used to dominate the economic activity of this area until the beginning of the 20th century. It is very resistant to high temperatures and chemicals, and its low absorption rate makes it very resistant to frost damage and breaking – one of the main reasons for its popularity as a roofing material. Its durability is another reason for its use in the building industry. Some famous examples of roofs that have employed this material can be seen in London at St Pancras’ station or at No.10 Downing Street. Welsh slate is also a very popular material in paving, cladding and walling, while high quality slates are also employed for tombstones and blackboards. Due to its stability and chemical inertness, slates are also used in the manufacture of laboratory bench tops and the stability of the material makes it ideal for the flat surface beneath the baize of billiard and snooker tables. Fine slate can also be used as a whetstone to hone knives.

Sample ID: 240

Particularities

State
Solid
Compound
Donated by
Dr. M Clode
Selections
Categories
Mineral
Curiosities
Relationships
Grey | Rock | Slate | Resistance | Blackboards | Roofs | Durability | Tiles

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