51 Large 12mm Blue Mosaic Turquoise Rondelle BeadsPrice is per 16 inch string of these unusual beads. Each measures 12mm x 8mm about 51 to the strand. Dyed, but colour fixed. What is turquoise? Turquoise is a soft, opaque gemstone, formed by volcanic rock reacting to copper deposits brought by water. Colour ranges from blue green, to yellow green with grey, black or brown veining. Most non green turquoise these days is dyed. As genuine turquoise is expensive, reconstituted turquoise is common crafted

including silver

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Each measures 16mm x 16mm x 12mm - about 25 nuggets to the string

is caused by small amounts of hematite

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Drilled ready to thread

Because amber is soft and wears easily

Price is per 6 of these beautiful large beads - ready for stringing

about 3mm thick

quartz has more colours and forms than any other stone because of this very abundance

Lava beads started life as molten rock over 1