45CTS ETHIOPIAN OPAL PLAIN SMALL NUGGETS APPROX FROM 4X1 TO 8X1MM, 85CM STRAND.
This opal originated from a discovery made in the Menz Gishe District in the northern part of the Shewa Province. Opal from this area occurs in a wide range of body colours. Much of the opal has a brown, red, or orange body color; however, yellow, white, and clear body colours are also found.
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.
This 85cm strand contains beads that are approximately 4x1mm to 8x1mm in size.
Origin : Ethiopia