Mt. St. Helens Twilight Obsidianite Oval-Cut Gemstone
$13.50 – $135.00
Oval-cut Mt. St. Helens Twilight Obsidianite color-changing gemstone.
Under natural or incandescent light this stone appears purple (similar to tanzanite), while under fluorescent light it changes to sky blue.
Available in 4 sizes:
5mm x 3mm: $13.50
6mm x 4mm: $18.00
8mm x 6mm $29.00
10mm x 8mm: $45.00
Twilight Obsidianite
This beautiful color-change obsidian gem is created from silicon-aluminum volcanic rock dust or "ash" ejected from Mt St Helens. Very similar to the Emerald Obsidianite but with the chemicals that made it green removed. The trace elements of cobalt, manganese, titanium and potassium fuse together at 2700 degrees Fahrenheit to form the beautiful purple color. This stone changes color under different lighting. Normally its purple, while fluorescent light will change it to light blue.
Additional information
| Weight | 1.1 oz |
|---|---|
| Size | 12 x 10 mm, 10x8mm, 14×10 mm, 16×12 mm, 18×13 mm, 20×15 mm, 5x3mm, 6x4mm, 7×5 mm, 8x6mm, 9 x 7mm |
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