16-Inch Gemstones

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

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...

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...

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...

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 ...

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...

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

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

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

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

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

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...

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...

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...

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...

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...

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...

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...

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...

Rutilated Quartz is a silicon dioxide mineral with unique needle to like inclusions of Rutile. These “needles” usually appear golden, but can also ...

Rutilated Quartz is a silicon dioxide mineral with unique needle to like inclusions of Rutile. These “needles” usually appear golden, but can also ...

Grey Moonstone is named for its grey glow or chatoyancy, as well as a prismatic quality that differentiates it from other varieties of Moonstone. M...

Grey Moonstone is named for its grey glow or chatoyancy, as well as a prismatic quality that differentiates it from other varieties of Moonstone. M...

Glacierite, also known as Blue Ice Glacierite or Blue Ice Nakaurite, is a rare, newly discovered mineral from Indonesia that is an accidental bypro...

Glacierite, also known as Blue Ice Glacierite or Blue Ice Nakaurite, is a rare, newly discovered mineral from Indonesia that is an accidental bypro...

Glacierite, also known as Blue Ice Glacierite or Blue Ice Nakaurite, is a rare, newly discovered mineral from Indonesia that is an accidental bypro...

Green Garnet can be among the most valuable of garnets, which come in a variety of colors. Occurring in sizes ranging from a grain of sand to the s...

Green Garnet can be among the most valuable of garnets, which come in a variety of colors. Occurring in sizes ranging from a grain of sand to the s...

Flower Agate is a type of Agate with opaque Chalcedony inclusions that resemble tiny floral formations. This mineral is a recent find out of Madaga...

Flower Agate is a type of Agate with opaque Chalcedony inclusions that resemble tiny floral formations. This mineral is a recent find out of Madaga...

Flower Agate is a type of Agate with opaque Chalcedony inclusions that resemble tiny floral formations. This mineral is a recent find out of Madaga...

Elephant Skin Jasper, also known as Calligraphy Stone or Miriam Stone, features intricate light brown patterns on dark brown stones. Each stone is ...

Elephant Skin Jasper, also known as Calligraphy Stone or Miriam Stone, features intricate light brown patterns on dark brown stones. Each stone is ...

Emerald is one of the four “precious” gemstones, the others being Diamond, Ruby and Sapphire. It is the green form of Beryl, colored by trace amoun...

Diopside is a calcium and magnesium silicate mineral. It is transparent or translucent, and can display a nearly emerald green color due to the pre...

Diopside is a calcium and magnesium silicate mineral. It is transparent or translucent, and can display a nearly emerald green color due to the pre...

Diopside is a calcium and magnesium silicate mineral. It is transparent or translucent, and can display a nearly emerald green color due to the pre...

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

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 ...

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 ...

Cat’s Eye is a quartz stone that appears in a range of colors including white, gray, green, yellow and brown. The fibrous asbestos inclusions in th...