13.87ct Rough Opal from Ethiopia Spessartite This stunning topaz crystal has

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

This tanzanite mineral specimen was enhanced by heating

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

Measurement:  20mm x 13mm x 12mm

Weight: 189g

13.87ct Rough Opal from Ethiopia Spessartite This stunning topaz crystal hasWelo 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