20.42ct Transparent Ethiopian Opal Rough Gem other 91 carat tanzanite crystal measures

91 carat tanzanite crystal measures 20mm x 11mm x 8mm

Measurements: 24

We consider this to be a Miniature Cabinet Sized (MIN) Mineral Specimen

90 carat tanzanite crystal measures 15mm x 11mm x 7mm

while not as deep red or lustrous

20.42ct Transparent Ethiopian Opal Rough Gem other 91 carat tanzanite crystal measuresWelo 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 great yield. In hand it is not as blue looking without a dark background. The play of color is still amazing though. 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