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Orthoquartzite

Oolitic Limestone - Yorkshire

£1.38 – £3.46 ex VAT

Rhaetic Bone Bed

£1.38 – £3.46 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. Available in card trays with labels.

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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. Although few fossils are normally present, the original texture and sedimentary structures are sometimes preserved. These examples are of Cambrian age come from Stiperstones hill in Shropshire, Uk. Specimens are supplied in labelled card trays.

Weight 120 g
Specimen Size

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

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