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Hornfels (Banded)

Biotite Gneiss - Norway

£1.38 – £3.46 ex VAT

Serpentine Conglomerate

£1.65 – £3.45 ex VAT

Banded hornfels exhibiting an alternating band feature, likely due to the original rock being layered such as sandstone, shale etc. The specimens come from Kentellen, Scotland, are available in different sizes and come in a card tray, suitable for school use.

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Banded hornfels, as the name suggests is a variation of hornfels which shows alternating bands of dark and light coloured minerals, the banding is derived from the original protolith (previous rock prior to metamorphism). Likely to be a rock which forms in layers such as sandstone, shale or mudstone. Unlike the hornfels which we supply from Cumbria, this banded hornfels which comes from Kentellen, Loch Linnhe, Scotland is much less stronger and durable than the Cumbrian material, likely due to the banding of the minerals causing a structural weakness. This rock specimen is available in 3 various sizes and will come supplied in a card tray with a label.

Weight 130 g
Specimen Size

2" x 2", 3" x 2", 4" x 3"

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