pink pearls are also rare and beautiful, most traditional Hyderabad jewellery is made with white pearls. Recently, several pearl makers are exporting processed pearls to markets in Europe and the US. With the capital that they gain from this marketing, they are able to purchase machinery for advanced refinement. In particular, equipment that uses enzymes present in thermophiles is able to substantially improve the process of refining pearls. References External links Current pearl industry History Economy of Hyderabad, India Pearls Hyderabad State