6 If there was any deficiency in the weight of the fineness of the coin the moneyers were punished as traitors.
The silver is quite free from gold, and the gold after boiling with nitric acid has a fineness of over 999.
The territories of the Gran Chaco, however, are covered with a characteristic tropical vegetation, in which the palm predominates, but intermingled south of the Bermejo with heavy growths of algarrobo, quebracho-colorado, urunday (Astronium fraxinifolium), lapacho (Tecoma curialis) and palosanto (Guayacum officinalis), all esteemed for hardness and fineness of grain.
The material was sand of every degree of fineness and of various rich colors, commonly mixed with a little clay.
This school flourished in the 8th, 7th and 6th centuries, and is distinguished by the fineness of workmanship and minuteness of detail with which it treated subjects, inspired always to some extent by non-Greek models.