16-Inch Gemstones

Trolleite is an extremely rare aluminum phosphate mineral that crystallizes in the form of masses and small prismatic crystals. It is made up of qu...

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...

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...

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...

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...

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...

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...

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

Russian Amazonite is a translucent blue to green to green or light green stone, occurring with inclusions of white, black or yellow. It is named fo...

Peruvian Turquoise is also known as Turquoise Chrysocolla. It’s attractive blue-green provides a unique color to the mineral world. Peruvian Turquo...

Pink Tourmaline ranges in color from light pink to deep magenta, with inclusions of white to colorless translucent or transparent. Tourmaline occur...

Moonstone naturally occurs in a broad spectrum of colors, but is most commonly associated with white, gray and peach. Its soft chatoyancy is remins...

Moonstone naturally occurs in a broad spectrum of colors, but is most commonly associated with white, gray and peach. It's soft chatoyancy is remin...

Malachite is a copper carbonate with a bright green color and dark green banding. Usually found near copper deposits, it is formed through the comb...

Mica is a mineral name given to a group of minerals that are physically and chemically similar. They are all silicate minerals, known as sheet sil...

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

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...

Lemon Quartz is a trade name for color-enhanced yellow quartz. Gamma ray irradiation, followed by a mild heat treatment gives it the bright yellow ...

An iron oxide-hydroxide mineral, Lepidocrocite forms when iron-containing substances rust underwater. It is commonly found in the weathering of pri...

Kunzite was named after a former Tiffany & Co. vice president, famed mineralogist and jeweler George Frederick Kunz, who first catalogued the s...

Each strand of Kashgar Garnet/Agate contains flashes of burgundy and forest green, sometimes within the same bead! Swirls of black and white criss-...

Jade refers to an ornamental mineral, mostly known for its green varieties. Jade has been used for tens of thousands of years, initially as tools b...

Canadian Jade is the trade name for this stone that ranges in color from light to dark green, with small, dark specks or veins. This material is ac...

Iolite most commonly occurs in shades of blue to gray, violet or indigo. It displays a visual property called “pleochroism,” which means that it ca...