A variety of quartz that occurs in shades of yellow to...

A variety of quartz that occurs in shades of yellow to golden brown. Like topaz, citrine gets its color from the presence of...

Fluorite is a mineral formed in hydrothermal deposits...

Fluorite is a mineral formed in hydrothermal deposits around the world. The mineral itself is clear, but various impurities give...

Garnets are a semi-precious gemstone formed in high heat...

Garnets are a semi-precious gemstone formed in high heat and high pressure environments. The word garnet comes from the Middle...

Although it has “stone” in its name, goldstone is actually...

Although it has “stone” in its name, goldstone is actually a man-made creation which became popular in 17th century Italy,...

Although it has “stone” in its name, goldstone is actually...

Although it has “stone” in its name, goldstone is actually a man-made creation which became popular in 17th century Italy,...

Hematite is a semi-precious iron oxide found throughout...

Hematite is a semi-precious iron oxide found throughout the world. It is often found at the bottoms of springs, lakes, or other...

Howlite is a porous stone that can be dyed to mimic other...

Howlite is a porous stone that can be dyed to mimic other stones. These Lapis blue stones are created by taking the veiny stone...

Howlite is a porous mineral that can be dyed to mimic...

Howlite is a porous mineral that can be dyed to mimic other stones. In its natural form, it resembles marble. Grey veins of...

Fancy jasper is a semi-precious stone that has been used...

Fancy jasper is a semi-precious stone that has been used in Egyptian jewelry and Minoan seals for centuries. This semi-precious...

Picture jasper is a variety of quartz that forms intricate...

Picture jasper is a variety of quartz that forms intricate and beautiful bands from silicate deposits or petrified earth,...

Poppy jasper is a form of quartz layered with silicate and...

Poppy jasper is a form of quartz layered with silicate and petrified earth deposits that give it a banded or mottled red that is...

From the Greek word “iaspis” meaning “spotted stone”,...

From the Greek word “iaspis” meaning “spotted stone”, jasper refers to a wide variety of mostly opaque stones in the chalcedony...

The stone known as “African jade” is actually a relative...

The stone known as “African jade” is actually a relative of the gemstone garnet with a slightly different chemical composition...

Yellow jade is a lemon-colored stone that is formed in...

Yellow jade is a lemon-colored stone that is formed in high heat environments like volcanoes. The distinctive yellow color is...

Labradorite is named after Labrador, a Canadian province...

Labradorite is named after Labrador, a Canadian province on the Isle of Paul where the stone was first discovered. Inuit legend...

Lapis is one of the oldest stones in existence, made of...

Lapis is one of the oldest stones in existence, made of several minerals put together including lazurite, calcite, pyrite, mica,...

True to its name, Lava stone is made when magma (molten...

True to its name, Lava stone is made when magma (molten rock from deep underground) cools into a pitted and porous stone. It is...

These beautiful stones are made of various shades of green...

These beautiful stones are made of various shades of green in a distinctive swirled or banded pattern. Historians are uncertain...

Named for the stone’s resemblance to moonlight glowing...

Named for the stone’s resemblance to moonlight glowing through clouds, this stone displays a phenomenon known as...

Onyx is a form of quartz created in gas cavities in lava,...

Onyx is a form of quartz created in gas cavities in lava, and has a multi-layered structure to it that appears to be a...