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Orthoquartzite (1kg)

Coral Limestone (1kg)

£4.00 ex VAT

Pumice - 500 g

£4.00 ex VAT

£4.00 ex VAT

Stiperstones Orthoquartzite from the Cambrian period. A very pure, hard, well cemented sandstone. It is normally whitish or pale grey-buff in colour with occasional streaks of impurities. Supplied by weight in lots of 1 kilogram.

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Orthoquartzite is a very pure quartz sandstone composed of usually well rounded quartz grains cemented by silica. Orthoquartzite is often 99% SiO2 with only very minor amounts of iron oxide and trace resistant minerals such as zircon, rutile and magnetite. These examples are of Cambrian age come from Stiperstones hill in Shropshire, Uk. Specimens come in a polythene bag and are by 1 kilogram weight, size of pieces will vary.

Weight 1100 g

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