Dioptase is a strikingly vibrant mineral known for its deep emerald-green to bluish-green color. It typically forms as small prismatic crystals or as crusts on matrix rocks. Dioptase is a copper cyclosilicate mineral, meaning it contains copper as a significant component along with oxygen and silicon.
The mineral is found in copper deposits, often in association with other secondary copper minerals such as malachite, azurite, and chrysocolla. Important deposits are located in regions like Kazakhstan, Russia, the southwestern United States (especially Arizona), and parts of Africa.
Dioptase's intense green color makes it highly sought after by collectors and jewelry enthusiasts. However, due to its relatively soft nature and susceptibility to damage from heat and sunlight, it is not commonly used in jewelry but rather appreciated for its aesthetic value in mineral collections.
This is a “random selection” listing. You will not receive the exact item photographed in the listing, but one that has been intuitively chosen for you. The size, shape and colour may vary slightly. Price is per 1 item.