Precious Stones, Vol. 1
Volume 1 of a classic, thorough study of precious and semi-precious stones: diamond, topaz, opal, turquoise, ruby, emerald, garnet, more. Fullest, most exhaustive survey ever prepared gives detailed i...
Precious Stones, Vol. 2
Volume 2 of a classic, thorough study of precious and semi-precious stones: diamond, topaz, opal, turquoise, ruby, emerald, garnet, more. Fullest, most exhaustive survey ever prepared gives detailed i...