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Nano Crystals are a new type of created gemstone made especially for jewellery. The colour is homogeneous, meaning that if you bought 100 emerald green nano crystal stones, the colour would be exactly the same in every stone. The material has been created with precious metal clay in mind, so any size gem should be kiln safe and blow torch safe with out colour change or damage.
* refractive index 1.5 – 1.7
* density 2.7 – 3.2 g/cm3
* Mohs scale of hardness 6.5 – 7 mohs