Opale boulder Corail / Coral Dimensions : 50

Dimensions : 50

We can see bands of the same color but different tones or bands of different colors

Pair of rock crystal (quartz) translucent white

Color: Gray-blue and purple

Opale boulder Corail / Coral Dimensions : 50Boulder 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