4.77 ct Outstanding Fancy Shape (22 x 9 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone. Boulder Opal. Mohs Hardness: 5.5-6.5 Found in Australia History: Opal is a semi-transparent solidified mineral composed of silicon and water.
Oval Rainbow Color Mystic Quartz 60.10 Ct Certified Loose Gemstone Natural
We are available 24 x 7.