2mm Dark Purple "Spinel" Fine Semi Precious Stone, Rondelle Beads

2mm Dark Purple "Spinel" Fine Semi Precious Stone, Rondelle Beads

4g

"Spinel is one of the hardest gems. Hardness is the resistance of a material to being scratched. A high hardness helps a gem resist abrasion without scratching. This is a very important property for gems that will be worn for years - or for a lifetime."