Apache Tears
Apache Tears are a type of black obsidian, which is a natural glass created by […]
Aquamarine is a beautiful blue-green crystal that has been treasured since ancient times. The name
Aragonite is a calcium carbonate mineral that has a wide range of applications, from making
Arfvedsonite is a black crystal that was first discovered in 1823 by chemist Johan August
Atlantisite is a type of crystal found in various colors, including green, blue, and purple.