16-Inch Gemstones

Discovered in Greenland in the late 1890's, hackmanite is named for Finnish geologist Victor Hackman. It is a rare occurrence to find gem-grade hac...

Selenite is a crystal formed from the mineral gypsum, which comes in many forms and color variations, but has been used historically to describe th...

This variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, mangane...

This turquoise is mined from the Sonora mines in Mexico. Like all other natural turquoise, its coloring is the result of the chemical reaction that...

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...

Fancy Jasper, also known as Rainbow Jasper, ranges in color from light to dark green, deep red, tan, cream, pink and mauve. It is a chalcedony beli...

Gray Agate is a semi-translucent, gray stone that contains microscopic crystals of quartz. It's a member of the chalcedony family and comes from vo...

Goldstone is a manmade material, consisting of opaque rust-red glass with tiny flecks of glittering copper suspended within it. Goldstone was first...

Goldstone is a manmade material, consisting of opaque rust-red glass with tiny flecks of glittering copper suspended within it. Goldstone was first...

Mother of Pearl, also known as Nacre, is an iridescent composite of organic and inorganic material most known for being the coating of pearls. It i...

Mother of Pearl, also known as Nacre, is an iridescent composite of organic and inorganic material most known for being the coating of pearls. It i...

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

Fossil Jasper is a creamy white to gray stone containing the fossilized remains of creatures millions of years old. These fossils create unique and...

Ocean Jasper is a commercial name for Orbicular Jasper, a variety of Jasper containing variably colored spherical patterns. It forms when Quartz an...

Rhodochrosite is a bubblegum pink to rose red stone, with occasional inclusions of creamy white and dark grey. A manganese carbonate material of th...

Rhodochrosite is a bubblegum pink to rose red stone, with occasional inclusions of creamy white and dark grey. A manganese carbonate material of th...

Sugilite is a rare cyclosilicate that occurs in a range of vivid colors including deep purple, red to violet, magenta to purple, pink and pale lila...

Tiger Eye is a macrocrystalline Quartz stone with bands of rich golds and browns. Its chatoyant layers that create a flash which seems to emanate f...

Sugilite is a rare cyclosilicate that occurs in a range of vivid colors including deep purple, red to violet, magenta to purple, pink and pale lila...

Tiger Eye is a macrocrystalline Quartz stone with bands of rich golds and browns. Its chatoyant layers that create a flash which seems to emanate f...

Fluorite is a luminous, soft and glassy stone, sometimes referred to as “the most colorful mineral in the world.” It is one of the most sought to a...

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 ...

Fluorite is a luminous, soft and glassy stone, sometimes referred to as “the most colorful mineral in the world.” It is one of the most sought to a...