Aegirine Aegirine is a mineral that can be found in a variety of colors, including green, […] Aegirine Read More ยป
Astrophyllite Astrophyllite is a rare and beautiful crystal that can be found in a variety of Astrophyllite Read More ยป
Arfvedsonite Arfvedsonite is a black crystal that was first discovered in 1823 by chemist Johan August Arfvedsonite Read More ยป
Apache Tears Apache Tears are a type of black obsidian, which is a natural glass created by Apache Tears Read More ยป