Hackmanite (Afghanistan) Hand cut Graduated Oval Beads 4x6-9x12mm, 8 inch Strand/19-21 Beads
These beads are hand cut and they can vary up to 1mm in stated size
Hackmanite is a rare, sulfur-rich variety of the mineral sodalite best known for its unique property of tenebrescence, meaning it can temporarily change color when exposed to light or ultraviolet (UV) radiation
