13.87ct Rough Opal from Ethiopia Spessartite Measurement: 20mm x 13mm x

Measurement:  20mm x 13mm x 12mm

This stunning topaz crystal has a beautiful blue color with multiple terminations

We consider this to be a Minature (MIN) size specimen

122mm x 102mm x 92mm

This tanzanite mineral specimen was enhanced by heating

13.87ct Rough Opal from Ethiopia Spessartite Measurement: 20mm x 13mm xWelo Ethiopian hydrophane opal mineral specimen with an amazing play of color. Not only that, but this piece is very fine cutting material that will have a good yield. Watch Video to see the play of color and full view of this opal. We recommend that this opal material NOT be submerged in water (unless it is being cut, water will keep it cool), and it should never have any oils applied to it. Also, due to the hydrophane nature of this opal, the weight