16-Inch Gemstones

Sapphires are precious gemstones, but unlike rubies, they come in a rainbow of colors besides red!  They are all varieties of the mineral corundum,...

Spinel is a hard vitreous magnesium aluminum oxide, and comes in a range of other colors, but those varieties are transparent. Black Spinel not onl...

Larimar is a translucent blue, turquoise and white stone that can have streaks and patterns of white, as well as red or brown either from oxidation...

Kyanite often occurs as long, bladed, striated crystals, transparent or translucent with a pearly luster. An aluminum silicate mineral, it may appe...

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

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 catc...

Chrysoprase is a bright apple green, translucent stone, whose color often caused ancient jewelers to confuse it with Emerald. A cryptocrystalline C...

A particularly soft stone, Lepidolite has a glassy or lustrous sheen. It is the most abundant lithium-bearing mineral as well as a significant sour...

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

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

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 bla...

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 bla...

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 bla...

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 bla...

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 bla...

Yellow Jade is not actually Jade, but a form of natural Serpentine which is commonly referred to as Yellow Jade in the stone industry. This semi to...

White Howlite is named for Canadian mineralogist Henry How, who first discovered the stone in Southern California in 1868. It is typically white or...

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 st...

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 ...

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 c...

Jade is the industry name for this beautiful deep green stone. Ours is actually a Serpentine, but takes a trained eye and a microscope to discern t...

Natural Agate is a variety of banded Chalcedony, prized throughout history for its beautiful colors and patterns. It has been called the Earth Rain...

A particularly soft stone, Lepidolite has a glassy or lustrous sheen. It is the most abundant lithium-bearing mineral as well as a significant sour...

Lapis is a semi to precious stone and one of the most sought after throughout history. It is highly regarded for its beautiful blue color flecked w...