Hydrothermal Zambian Emerald
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The hydrothermal method is a common method for growing crystals, which involves dissolving the raw materials in a high-temperature and high-pressure aqueous solution and then recrystallizing them. In the process of growing Colombian emeralds, a small crystal, known as a seed crystal, is used as the core for crystal growth. The saturation refers to the purity and intensity of the color, while the refractive index measures the speed of light passing through the crystal, which affects its luster and appearance. The hardness of a crystal is also an important property that determines its durability and resistance to scratching. These parameters play crucial roles in characterizing and evaluating the quality of the grown emeralds.
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Cultivated Zambian emeralds are developed in the laboratory by simulating the natural environment and geological processes. The following are some features of cultivated Zambian emeralds:
• Color: Cultivated Zambian emeralds can have colors similar to natural ones, including dark green, blue-green, etc. The vividness and saturation of the color may vary due to cultivation conditions and processing methods.
• Clarity: They usually have a relatively high clarity because the formation of inclusions and flaws can be controlled and reduced during the cultivation process.
• Cut: Various cut shapes can be adopted, such as round, oval, square, etc., to display the best optical effect and aesthetic feeling.
• Size: Emeralds of different sizes can be cultivated according to the demand.
• Hardness: Its hardness is similar to that of natural emeralds, approximately 7.5 - 8.
Hydrothermal method: A commonly used method for cultivating gemstones, which enables the raw materials to dissolve and recrystallize in a high-temperature and high-pressure aqueous solution environment.
Seed crystal: A small crystal that serves as the core of crystallization during the gemstone cultivation process.
Saturation: Refers to the purity and intensity of the color.
Refractive index: A measure of the speed of light propagation in the gemstone, which affects the luster and appearance of the gemstone.
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The hydrothermal method is a common method for growing crystals, which involves dissolving the raw materials in a high-temperature and high-pressure aqueous solution and then recrystallizing them. In the process of growing Colombian emeralds, a small crystal, known as a seed crystal, is used as the core for crystal growth. The saturation refers to the purity and intensity of the color, while the refractive index measures the speed of light passing through the crystal, which affects its luster and appearance. The hardness of a crystal is also an important property that determines its durability and resistance to scratching. These parameters play crucial roles in characterizing and evaluating the quality of the grown emeralds.