5-10mm Owyhee Blue Opal Plain Rondelles 16 inch 83 beads A TierraCast have an average size for

have an average size for this shape of pearl

have excellent luster

and these Opals originate from Australia showing a consistent quality on the well made strand

brilliant tourmaline of bicolor and Indicolite hues in light to dark saturations

Lepidocrocite Pear Briolettes measure approximately 7x6mm to 11x10mm in size

5-10mm Owyhee Blue Opal Plain Rondelles 16 inch 83 beads A TierraCast have an average size forOwyhee Natural Blue Opal Plain Rondelles have a waxy luster, opaque translucency, very good polish, and symmetrical shape. Their color ranges from a light saturation of slightly greyish denim blue to a crisp white hue with scattered areas of a platinum grey hue for an Opal of one source in Oregon, USA. A grade for color, appearance, rarity.