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Rhyolite (1kg)

Rhyolite (Banded)

£1.38 – £3.46 ex VAT

Metagabbro

£2.30 – £5.06 ex VAT

£5.00 ex VAT

Rhyolite specimens found in Cumbria. Rhyolite is a felsic (silica rich) rock, often formed in highly explosive volcanoes. Specimens are supplied in a polythene bag in lots of 1 kg with a label.

Only -1 item(s) left in stock.
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Rhyolites are compositionally very similar to granite. The texture can range from porphyritic to glassy. Typically containing >69% silica the rhyolite melts tend to form polymerised & highly viscous lavas. They also occur as volcanic breccias, plugs & dykes. If cooling is too rapid crystals will not develop the resultant rock is glassy & commonly known as Obsidian.

Weight 1100 g

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