Turquoise is admired for its distinctive shades of sky blue, blue-green, and soft green. Some stones have an even color, while others reveal dark veins and intricate patterns. Its opaque appearance gives even a small bead or polished drop a beautiful presence in jewelry.
What Is Turquoise?
Turquoise is a phosphate mineral containing copper and aluminum. It often forms in dry regions, where mineral-rich water moves through rock and the minerals needed for its growth come together.
The gemstone is found in several parts of the world, including Iran, China, and the southwestern United States. Each deposit can produce turquoise with its own range of colors, textures, and natural markings.
Color and Natural Matrix
Copper contributes to turquoise’s characteristic blue color, while differences in its chemistry and the conditions in which it forms influence the shade. Colors range from bright sky blue to softer blue-green and deeper green tones.
The darker veins and patches found in some stones are known as matrix—the associated rock material that remains with the turquoise. Fine, branching lines can create a striking spiderweb pattern, while stones with little visible matrix have a smoother, more uniform appearance.
Both patterned and evenly colored turquoise have their own appeal. These natural characteristics help give each stone a distinct appearance.
Sleeping Beauty Turquoise
Sleeping Beauty turquoise comes from the Sleeping Beauty mine near Globe, Arizona. The mine takes its name from a nearby mountain whose outline is said to resemble a sleeping woman. Its turquoise is especially admired for its bright sky-blue color, which has made it one of Arizona’s best-known gemstones.
One of its most recognizable qualities is its relatively even color, often with little visible matrix. Matrix is the surrounding rock that remains within turquoise, appearing as veins, flecks or patches. Stones with very little matrix have broad areas of uninterrupted blue, giving them a smooth, uniform appearance that highlights their color.
Individual stones can still show subtle differences in shade or small traces of matrix. These natural variations are part of Sleeping Beauty turquoise’s appearance, even in stones selected for their consistent blue color.
Treatments and Similar Materials
Turquoise is often stabilized with a resin or another binding material to strengthen porous stone and make it more suitable for jewelry. Stabilized turquoise remains turquoise, but it differs from reconstituted material, which combines small fragments or particles with a binder.
Other materials can resemble turquoise without being the same gemstone. Howlite and magnesite are sometimes dyed blue, while the trade name “African turquoise” commonly refers to a type of jasper with its own blue-green colors and earthy markings.
How to Care for Turquoise Jewelry
Turquoise generally measures 5–6 on the Mohs hardness scale. Its porosity and any treatments also influence its durability, so gentle cleaning and careful handling help preserve its surface.
Apply perfume and lotions before putting on turquoise jewelry, allowing them to dry first. After wearing, gently wipe the stone and metalwork with a soft cloth. For light residue, use a cloth slightly dampened with lukewarm water, then dry promptly.
Avoid soaking, particularly when treatment details are unknown. Keep turquoise away from solvents, jewelry dips, abrasive cleaners, steam, and ultrasonic machines. Store each piece separately in a soft pouch or lined compartment to protect the stone and delicate metalwork.
Meaning and History
Turquoise has been treasured for thousands of years, with a long history in the jewelry and ornaments of ancient Egypt, Persia, and the Americas. Indigenous communities of the American Southwest have their own distinct traditions involving turquoise, giving the stone cultural significance that extends beyond its color and appearance.
Its name reflects part of its journey through trade. “Turquoise” developed from a French expression meaning “Turkish stone,” referring to the routes through which it was believed to have reached Europe rather than the place where it was mined. The name preserves a connection to the exchange of gemstones between regions and cultures.
Associations with friendship, protection, and good fortune appear in different traditions. As a December birthstone, turquoise also makes a thoughtful birthday gift, bringing together personal meaning, a rich history, and an unmistakable blue-green palette.