Ethiopian Opal Rough – 6.72g MD2023 A large and impressive prehnite

A large and impressive prehnite crystal cluster featuring tightly packed

Weight: 718g

and it is very common that many of these Spanish pyrite specimens have been reassembled

emerging from a natural rock matrix

A gemmy mineral specimen with big size

Ethiopian Opal Rough – 6.72g MD2023 A large and impressive prehniteHydrophane Ethiopian opal rough from showing bright play of color with strong flashes of green, blue, reds and hints of warmer tones. The color is visible across a broad face, giving it great visual impact even in rough form. This piece has a nice balance of exposed color and natural host material, making it appealing both as a specimen or for cutting. We recommend that this opal material NOT be submerged in water (unless it is being cut, water will