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Boulder Opal is a type of opal that is still connected to it's host rock, which is usually iron stone or fossilized sandstone. Silica-rich water runs between the cracks in the host rock and forms opal. When I cut boulder opal I "chase the color" through the seam in the rock. For this reason all of my boulder opal pieces will be free form and typically have undulating surfaces.

3 products found in Boulder Opal

Boulder Opal Necklace
  • $790.00

necklace

Boulder Opal Pendant
  • $600.00

necklace

Boulder Opal and Chrysoprase Pendant in 14K yellow gold
  • $1,925.00

necklace