In the reign of the emperor Akbar the mines of Panna produced diamonds to the amount of Ioo,000 annually, and were a considerable source of revenue, but for many years they have not been so profitable.
But here was a fairy forest with black moving shadows, and a glitter of diamonds and a flight of marble steps and the silver roofs of fairy buildings and the shrill yells of some animals.
One day a strange merchant came to him with some diamonds and pearls which he had brought from beyond the sea.
At Sao Joao da Chapada, in Minas Geraes, diamonds occur in a clay interstratified with the itacolumite, and are accompanied by sharp crystals of rutile and haematite in the neighbourhood of decomposed quartz veins which intersect the itacolumite.
Considerable interest attaches to the diamonds found in Wisconsin, Michigan and Ohio near the Great Lakes, for they are here found in the terminal moraines of the great glacial sheet which is supposed to have spread southwards from the region of Hudson Bay; several of the drift minerals of the diamantiferous region of Indiana have been identified as probably of Canadian origin; no diamonds have however yet been found in the intervening country of Ontario.
The best of the New South Wales diamonds are harder and much whiter than the South African diamonds, and are classified as on a par with the best Brazilian gems, but no large specimens have yet been found.
The mirrors on the landing reflected ladies in white, pale-blue, and pink dresses, with diamonds and pearls on their bare necks and arms.
Just behind the royal standard-bearers came the Princess Ozma in her royal chariot, which was of gold encrusted with emeralds and diamonds set in exquisite designs.
The minerals chiefly mined besides gold are diamonds and coal, but the country possesses also silver, iron, copper, lead, cobalt, sulphur, saltpetre and many other mineral deposits.
Some diamonds are more phosphorescent than others, and different faces of a crystal may display different tints.