The Gemstone
The Greek believed that the diamonds were star fragments fallen on the earth. Some of they said also that they were the tears of an other legend supports that one existed goes them inaccessible of Asia centers upholstered them of diamonds, guarded from birds, from above, from snakes, and from the eyes murders on the earth. The truth is however that the exact origin of the diamonds is still rather mysterious. The best ones rubies come from the fluvial terraces and from alluviums of Irrawddy, in the advanced Birmania near Mogok (a coming from copy from those I placed to you, conserved to the British Muesum, catches up the weight of 690 grams). Much also rich they are I placed to you alluvial of the Thailandia and Cambodia (Chantanbun and Bottambang), of Ceylon (Ratnapura and Rakwana) and of numerous Indian localities. The limpid and transparent varieties are used like gems of greatest value, and the emerald is the green variety. Its color has had to the contemporary presence, in parts for million, of chromium (Cr) and vanadium (v), and already was appreciated to the time of the Pharaohs in Egypt.