FREE SHIPPING on all Domestic Gem or Jewelry Orders over $50.00 and a Free Gift with Every Gem or Jewelry Order! Every Gemstone valued over $50.00 will also receive a FREE Gemstone Evaluation Report Certificate for quality assurance!
Birthstone for October; 14th Wedding Anniversary Stone
Opal is a mineral species that is transparent to opaque. The color of Opal is know to be natures Kaleidoscope, showing a strong play of rainbow colors. One of the rarest types of Opal, is the Contra-Luz Opal. Opal has a hardness of 5 to 6.5 on the Mohs scale.
The Opal gemstones for sale in this category are all natural gemstones!