Sardonyx has a Sard base, typically of brown or black, with bands of white Onyx running through it. Sard is not Onyx, but rather a dark variety of Carnelian. Sardonyx...
Spinel is a hard vitreous magnesium aluminum oxide, and comes in a range of other colors, but those varieties are transparent. Black Spinel not only has the dark color, but...
Perfect for gift giving or keeping for yourself, these gemstone specimens come conveniently packed in a clear plastic terrarium that serves as protection for your new, unique gemstone specimen but...
Perfect for gift giving or keeping for yourself, these gemstone specimens come conveniently packed in a clear plastic terrarium that serves as protection for your new, unique gemstone specimen but...
These Black Tourmaline rock specimens will be a great addition to your rock collection! They have a deep, inky black color to them and depending on the specimen, sometimes if...
These Black Tourmaline rock specimens will be a great addition to your rock collection! They have a deep, inky black color to them and depending on the specimen, sometimes if...
Whether you're drawn to it's properties or you are a collector of cool rocks, this Black Opal specimen is a must-have. This is remarkable gemstone will be a perfect addition...