Heated Stone: A stone that has been treated by heat to change its color at the mine or after cutting; in electric ovens with stones embedded in sand.
Above: Like their Brazilian cousins, these untreated cuprian tourmalines from Mozambique show a fantastic range of hues. Below: Variety abounds in saturation as well. This suite of heated stones runs the gamut from a limpid aquamarine to an electric ...
** Check the text: Page 73 of the Hall text has a very nice picture of a step cut rectangular unheated stone that shows the natural color very well.
While many tribes specialized in intricate designs (especially the Pomo Indians), their baskets were also marvels of practicality; some were even used for cooking, by dropping heated stones into the basket and stirring rapidly to heat the contents.
See also: Jewel, Stone, Point, Jewelry, Precious
 
|