100CTS White Opal graduated plain rondelles.
Opal is a hydrated amorphous form of silica; its water content may range from 3 to 21% by weight, but is usually between 6 and 10%. Due to its amorphous property, it is classified as a mineraloid, unlike crystalline forms of silica, which are considered minerals.
The beads on this 21cm strand are approximately 6x4mm to 9x6mm in size.
Origin : Africa