Turquoise
Turquoise is a cyan-blue to green-blue mineral, typically referred to as a semi-precious stone. It is composed of hydrated phosphate of copper and aluminum, with the chemical formula CuAl6(PO4)4(OH)8·4H2O. Turquoise is known for its distinctive blue-green color, which can vary from pale to deep, and is often found in shades of turquoise, green, or blue. The mineral is typically opaque and has a waxy luster. Turquoise is often used in jewelry and decorative items due to its vibrant color and historical significance.
Turquoise has been valued for its beauty and durability for thousands of years. It was highly prized
Turquoise is primarily mined in several countries, including Iran, Afghanistan, and the United States. The largest