http://en.wikipedia.org/wiki/Mohs_scale_of_mineral_hardness
Never forget the diamond is the strongest material on the Earth and there is a big gap between each grade on this scale !!!!!!!
Diamond is something special
Subscribe to:
Post Comments (Atom)
-
On the Behalf of my company Mila Solidus Ltd, HK, i wish all the readers a warm and peacefull Xmas Eve. The shorter da... -
I purchased this stone last week in Antwerp .... and i am truly in love for this diamond : a perfect weight and a very strange color ..... -
Holocaust money has been created for the specific use of the jewish ghettos during WWII , it's a community currency , like crypto...
No comments:
Post a Comment