This is a variety of quartz coloured by traces of manganese, titanium and iron. It is of a pale lilac, mauve or bluish violet colour. Very popular in the past, its current value is stable as new mines have recently been discovered. Moreover, its worth has been further undermined over recent years by the flood of tasteless objects made in Brazil. The best investment is an amethyst of average size weighing between 4 and 8 carats, as dark as possible, but not so much so that the light is prevented from reflecting, and with a deep lustre. Amethyst has a very wide provenance, but the finest coloured specimens come from Brazil and the Urals. It is also mined in Madagascar, Ceylon, India and Australia.
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DevendraSingh (STARLINE MINERALS LLP)
Sidharth Nagar, Siddharth Nagar, Jaipur, Rajasthan - 302001, India
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