Microfaceted Rondelles

Onyx is a black and white banded Chalcedony, a cryptocrystalline Quartz. It is often thought of as an all-black stone, and much of the black Onyx on the market has...

Lapis, or Lapis Lazuli, is a deep blue metamorphic rock used as a semi-precious stone that has been prized since antiquity for its intense color. During the Renaissance, Lapis was...

Sunstone, a variety of Feldspar, is aptly named for its shades of gold, orange, red and brown, as well as its iridescent sparkle. As the stone catches the light, inclusions...

Cacoxenite is the trade name for this naturally occurring blend of seven stone types. It was originally named for the visible inclusions of the mineral Cacoxenite. However, this stone, often...

Labradorite is remarkable for the way its aggregate layers refract light, creating iridescent flashes of blue, gold, pale green or copper red. This effect is known as “labradorescence,” taking its...

Green Apatite is a transparent to translucent stone that may be green, yellow to green or sea to green in color. Apatite has been labeled the “deceitful stone” due to...

Rose Quartz is a silicon dioxide crystal and one of the most common varieties of the Quartz family. It is a translucent to transparent stone with a soft pale pink...

Peridot (pair-uh-doe) is one of only two gems, the other being Diamond, that is not formed in the Earth’s crust. Rather, it is born in the molten rock of the...

Rhodonite, whose name is derived from the Greek word for Rose, “rhodon,” is known for its pink, red and magenta hues. A Manganese inosilicate (or chain silicate), Rhodonite belongs to...

Chrysocolla, a hydrous copper silicate, is often mistaken for turquoise due to its rich blues and blue-greens. It often also occurs with colors of rust, copper, black, white and reddish...

Purple Garnet is a magenta to purple variety of the famous stone. Garnet has been used for adornment and spirituality by myriad cultures and civilizations throughout history, its oldest known...

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...

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to dark. It can even exhibit...

Sodalite is named for its sodium content and may be classified as a feldspathoid. Blue Sodalite is sometimes referred to as “poor man’s lapis” because of its similar color and...

Peruvian Amazonite is an opaque stone occurring in colors from a bright turquoise blue to pale turquoise to pale yellow to green, with swirling inclusions of milky white, gray or...

Hematite is an iron oxide and one of the few gemstones with a metallic luster. When tumbled it can have the look of polished steel. Hematite is black to steel-gray...

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...

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...

Labradorite is remarkable for the way its aggregate layers refract light, creating iridescent flashes of blue, gold, pale green or copper red. This effect is known as “labradorescence,” taking its...

Strawberry Quartz is a translucent, milky to pink silicon dioxide mineral. Its needle to like inclusions of hematite are iridescent red. Quartz has been highly valued by virtually every civilization...

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to dark. It can even exhibit...

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...

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to dark. It can even exhibit...