Saadi, J.A; Las Piedras Preciosas de la Republica Argentina. 2006, pp. 183. WRITTEN IN SPANISH.

The author provides an exhaustive list of the argentinian most important precious stones, with 120 beautiful and spectacular photos and an excellent text make this an important work on gems from Argentina.

Includes:
Rhodochrosite
Topaz
Tourmaline
Aquamarine
Beryl
Amethyst
Peridot
Dioptase
Garnet
etc.