QUARTZ VEIN IN GRANITE (CUT AND POLISHED) - Cornwall
« backQUARTZ VEIN IN KAOLINISED GRANITE
Cut and polished section.
Restowrack China Clay Pit, near St. Dennis, Cornwall
An attractive and interesting section through a mineral vein showing layers of quartz crystals.
The granite is kaolinised, in other words the feldspar crystals in the granite have been naturally converted to the clay mineral kaolin (china clay).
Click on a picture for a larger image
Size: 12 x 7.5 x 3 centimetres
Weight: 293 grams
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