1.Did you know that silver is a precious white precious metal characterized by large matte, retractability and roads, as well as its resistance to oxidation and rust, its strong conductivity and its resistance to friction. The combination of silver and copper is used in the manufacture of coins, medals, ornaments and jewels. Silver compounds are used in the manufacture of optical mirrors and in photographic photography.
2.Did you know that diamonds are a semi-pure carbon (amorphous) that is generally neutral from color. It is the hardest natural minerals, and used in the drafting and industry.
A bad diamond or diamond cut is a faceted diamond used in precious diamond cutting and refinement. Black or diamond diamonds are used to dig hard rock.
@baxtach