Epidote is one of the finest classic display minerals, with its lustrous, delicate, elongated and often interconnected crystals. Common, but regardless highly valued among collectors, this mineral is well represented in the best collections. It has a vitreous, pearly lustre and comes in various shades of green as well as yellow, brown, and black, with […]
Copper is the chemical element on the periodic table with the atomic number of 29 and the symbol of “Cu.” It has a very high electrical and thermal conductivity and is a ductile metal. It is soft, malleable, and reddish-orange in coloration when it is freshly exposed. It is used– and has been used for […]
Blue aragonite is a pale turquoise blue colored variety of a calcium carbonate mineral forming in the orthorhombic type of crystal system with acicular crystals. Aragonite is generally formed via physical and biological processes such as precipitation from freshwater and marine environments. It exhibits a brittle tenacity, a vitreous luster, a transparent to translucent transparency, […]