Westerners generally believe that wearing aquamarine can make people prescient. It also helps devotionals increase their understanding, so aquamarine is also the lucky stone for the birthday in March of the solar calendar.
What is Aquamarine
Aquamarine is a silicate containing beryllium and aluminum, the main color is sky blue to sea blue or greenish blue, mainly endowed in pegmatite deposits - sugar granular sodium long petrified pegmatite. The common crystal form is hexagonal column, followed by hexagonal double cone, and the aggregate is mostly columnar. Transparent to translucent. Refractive index 1.567-1.590, birefringence 0.005-0.007. The world's most famous aquamarine is produced in the Brazilian state of Minas Gerais. The second is Russia, China and other regions.
How to distinguish between good and bad aquamarine
1. The quality of aquamarine must be evaluated in terms of color, clarity, cut and weight. The color is pure, no gray, no dichroicity, and the color is the most valuable.
2. Aquamarine with a directional inclusion can be processed into a cat's eye effect or starlight effect, and aquamarine with special optical effects is more expensive.
3. Aquamarines of the same color, clarity, and cut, the larger the carat weight, the higher the value.
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