Turquoise because of its "shape like a pine ball, color close to pine green" and so named. Meaning Turkish stone. In fact, Turkey, this country does not produce this gemstone, but the ancient Persia produced by the Turkish stone transported to Europe by Turkey and named.
[Turquoise]
Chemical composition: water-bearing copper-aluminate mineral
Chemical formula: CuAl6(PO4)4(OH)8-5H2O
Color: green, blue, blue-green, greenish yellow
Relative density: 2.6~2.73
Fracture: shell-like, granular
Refractive index: 1.610-1.650
Crystal system: trilobal crystal system
Luster: Waxy luster, greasy luster
Hardness: 5-6
[color]
Turquoise is a water-bearing copper-aluminum phosphate mineral whose color ranges from dark green to grass green to a bright, medium-toned azure blue, with the opaque azure blue being the most valuable, and can be made into expensive jewelry decorations. The color varies according to the chemical elements contained within the turquoise, with the oxides appearing blue when copper is present and green when iron is present.
[Origin]
Turquoise's main places of origin are China, Iran, Egypt, the United States, Mexico, Afghanistan, India and so on.
China is one of the main output countries of turquoise. In the foreign famous turquoise origin of Iran, the output of the best quality porcelain pine and wire pine, known as Persian turquoise.
❄️ [types]
- Blue color turquoise:
The most precious turquoise color shows uniform, pure, bright and rich medium blue, top color turquoise is described as robin's egg blueor sky blue. It is also common in the jewelry industry to hear connoisseurs refer to Turkey's beautiful color as Persian Blue, due to its traditional origin in the Nishapur region of Iran (formerly known as Persia).
- Green turquoise:
Generally speaking, turquoise with a green to greenish-blue color is not as valuable as the pure blue color, but some consumers prefer this gemstone with a greenish tint, depending on their personal preferences. And in setting jewelry, it is sometimes necessary to use a different color (such as yellowish green or pure green).
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