Curiosities about minerals

In tris blog entry I am going yo show you some interesting curiosities about minerals.

-Diamond:

The biggest diamond is the Cullinan that has 3106 carats, it was discovered in 1905 in the mine Premier of South Africa, with it they carved 9 big pieces for jewellery and 96 of smaller size.

The corundum is the second hardest mineral after the diamond, but the diamond is 150 times harder than the corundum.

-Gold:
Gold is an easy to work mineral and with 30g you can make a wire with the thickness of a human hair.

-Emerald:
The Egyptians put emeralds in the neck of the mummies to be stronger in the other world.

-Garnet:
In XVII century, people thought that if you crash garnet you can cure  heart diseases.

-Turquoise:
North American tribes used to put turquoises in their tombs. The Pueblo Bonito deposit, in New Mexico (EE.UU) contains 24900 samples of this mineral.