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(III) Stone of the Amazon (divine Stone, Lapis nephriticus) called "Amazon stone " is a variety of Oriental jade. Diego de Ordas (1530), in his expedition to the Amazon, found there among the Indians two stones, which the Spaniards took to be emeralds.

Lapis nephriticus, jade

If these stones are identical to what we are dealing with, what is probable, by the size and by accounts of the Indians who have entire rocks of them, that is the earliest news about this mining. Evidently, the inhabitants of the Coetaneos did not give special names to this hard stone; We also heard from the old Indians, well before La Condamine and von Humboldt, that the stone, formed of clay under the water, had hardened in the air. They said that, in addition to the shape of our stone, there are many with cylinders or in square tables and also sculpted as diverse animals. From this mining, stones were sent back to Europe, by the Jesuits, some engraved with the symbols of the Christlike cult.

Rivers of the Amazon Basin

As for the location of these stones, the above mentioned travelers referred, sometimes to the source of the Amazon, sometimes the springs of the Orinoco or the Branco River. We must admit in South America there are two central points of ancient civilization; Between the Muiscas, of Nova Granada and the Peruvians. The ancient Mexicans had knowledge of the identical green stone, called Xu Xuque-Tec Pati, and the fact deserves to be mentioned the fact of having similarity to our Amazon stone, in the composition, with marks of the tecpatl (Silex biting instrument).

About emerald’s medicinal use, the Indians, questioned by us, had nothing to tell us. In Germany, some 100 years ago, the use of stones in the treatment of kidneys, rheumatism, gout and Sciatica (Dai, Jade) was famous, and the implantation of little Stone Globules, well smoothed, in the arm, under the deltoid muscle, still is recommended, currently, by the important doctors of Europe.