Morganite gets its pink hue from the presence of manganese or cesium in the stone. It's actually a pink variety of Beryl -- the family of gemstones that also includes...
Australian Green Opal is a variety of Common Opal which is a mixture of Opal and nontronite. Common Opal is generally opaque, without the play of color present in more...
Brazilian Amazonite is an opaque blue to green to light green stone, often occurring with inclusions of white, yellow or gray and occasionally translucent milky white. It is named for...
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...
Chinese Turquoise is a blue-green to light yellow-green stone, with inclusions of brown, black and rust. These colors often occur in speckled patterns throughout the stone. Turquoise is one of...
Morganite gets its pink hue from the presence of manganese or cesium in the stone. It's actually a pink variety of Beryl -- the family of gemstones that also includes...
Rutilated Quartz is a silicon dioxide mineral with unique needle-like inclusions of Rutile. These “needles” usually appear golden, but can also appear silver, red, copper, or black and can be...
The contrasts in this stone really make it a striking addition to any design -- creamy white quartz permeated by black tendrils of manganese branching through the stone. The "Parral"...
Black Tourmaline is a black crystalline aluminum borosilicate mineral with occasional light gray inclusions that appear as flecks or veins. Tourmaline is classified as a semiprecious stone and occurs in...
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...
Chrysoprase is a bright apple green, translucent stone, whose color often caused ancient jewelers to confuse it with Emerald. A cryptocrystalline Chalcedony, its brilliant color comes from the presence of...
Rhyolite is a volcanic, igneous rock with high silica content. Its name is taken from the Greek word “rhyax,” meaning “a stream of lava.” It is chemically identical to Granite,...
Impression Jasper comes in a variety of colors and possibly more names. The material comes with variety of tan and crimson matrix colors which create a striking contrast to any...
Mookaite is a variety of Jasper in colors of red, burgundy, pink, mauve, purple, yellow and white. It takes its name from Mooka Creek, near the Kennedy Ranges of Australia,...
African Green Opal is a form of Common Opal, an opaque stone that does not display the play of color seen in more precious Opals. It does have the distinctive...
Red Garnet is the most commonly known type of Garnet, which occurs in many colors. Garnet has been used for adornment and spirituality by myriad cultures and civilizations throughout history,...
Fossil Coral is the prehistoric fossilized remains of the invertebrate reef builders that live in tropical oceans. Silica-rich waters create hardened deposits that preserve coral skeletons, resulting in fossils that...
Unakite is a granite composed of pink Feldspar and Epidote, creating a beautiful blend of pink and green in mottled patterns. The colors in this stone can range from pistachio...