Bullion dealers and pawn shop owners require appropriate tools to ensure they are providing their customers with pure gold, silver, and other precious metals. Several analytical methods are used to ...

A material’s hardness relates to its mechanical resistance when subjected to mechanical indentation by another harder body. Diamond is considered the hardest natural material and is typically used for ...

Finding out if the food and water we consume are safe from toxic and carcinogenic metals can now be much faster and simpler. Researchers at the University Johannesburg developed an efficient and more ...

TORONTO--(BUSINESS WIRE)--Arizona Metals Corp. (TSX.V:AMC, OTCQX:AZMCF) (the “Company” or “Arizona Metals”) announces that metallurgical testing at its Sugarloaf Peak Project demonstrates gold ...