Since 1977
Founded in 1977, by Mr Genuino Pretto, Riwan Stones is dedicated to the Braziliam stones Marketing, like Agate, Amethyst, Quartz, Collection minerals, and others.
In the beginning, Riwan worked only with Agate, and sold this stone here in Soulth of Brazil, for Export Compannies. Over the years, began to selling to others Brazilien States. With the increased participation of the son Ricardo, the company began to export.
Nowadays is dedicate to agency customers. Helping these customers to buy directly from producers. The customers purchase various products from various suppliers, in the same Invoice lowering their costs.Only charging a small commission, Riwan Stones, has increased the number of new customers every year.
Localised in a small city, near of the Amethyst and Agate suppliers ( quarries ), we offered the better prices, because this strategic location.
Machine for cut agate in 1995
Iraci Pretto in 1977
Genuino Pretto in 1977
Ricardo Pretto in 2010
Machine for cut agate in 1980