The Mohs scale of mineral hardness characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer material. It was created in 1812 by the German geologist and mineralogist Friedrich Mohs
Crystal Healing Chart: Crystal Formations and their Meanings. What are the Crystal Healing properties of different crystal formations and shapes? Discover how these common and unusual forms add extra special meanings to your crystals.
Giant Size Top Color Clean Tsavorite Discovered in East Africa. Weighing in at carats and priced well over two million dollars, this extraordinary tsavorite is one of the largest most valuable gems ever to be discovered in East Africa.