Aquamarine is a beautiful blue to blue/green colored variety of the mineral Beryl. Beryl is a beryllium aluminum silicate (Be3Al2(Si6O18)) that occurs in pegmatite formations over a wide range of geography. The color of the mineral specimen determines the gem name. Probably the most famous of the beryl gemstones is the green variety with chrome […]
Beryl is an aluminum beryllium silicate mineral. It is found in metamorphic and hydrothermal regions and produces several gemstones. It forms crystals in the hexagonal system with a hardness of 7 1/2 to 8 on the Moh’s Scale. It has a density of 2.67 to 2.78 grams / cubic centimeter. Streak is white. The mineral […]
