16-Inch Gemstones

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...

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...

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...

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...

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...

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...

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-...

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...

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...