Hornfels

Hornfels
Hornfels
Excl. Tax: £1.00 Incl. Tax: £1.20

Availability: In stock

Hornfels, dark blue or black in colour collected from Shap quarry, Cumbria, a strong, durable rock, splintery when broken is comprised of mafic minerals, the rock may also exhibit acoustic properties. Supplied in a sized up card tray with an information label.

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Excl. Tax: £1.00 Incl. Tax: £1.20
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Hornfels is a dark coloured metamorphic rock which is formed through contact metamorphism, this means that the rock is formed when it has been heated through contact or close proximity to an igneous intrusion. They are often derived from original rocks such as sandstone, shale, slate, limestone and so on, however when metamorphosed, the end rock, hornfels, becomes extremely hard, durable and broken, is 'splintery'. The name is derived from German and means 'hornstone', which is a nod towards its toughness and durability, much like animal horns. These particular rock specimens of hornfels are dark, and have a blue tinge to their colour, they were collected by staff from Shap quarry, Cumbria and are available in various sizes, each specimen will come supplied in a card tray with an information label.
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