Opale boulder Corail / Coral Pair of rock crystal (quartz)

Pair of rock crystal (quartz) translucent white

This one is bright red and even

Color: Gray-blue and purple

Dimensions : 50

Opale boulder Corail / Coral Pair of rock crystal (quartz)Boulder opals are found in ironstone. The valuable material is often in veins or in layers too thin to be extracted from the bedrock. Boulder or boulder opal is often larger and less expensive than black opal, although its color play is fantastic given its dark background. It can be considered more resistant compared to black opal. Variety: Boulder opal Color: Beige and green and purple color schemes Dimensions: 24. 00 x 20. 00 mm Shape: Rectangle