Class: Silicates.
Formula: Al2Be3Si6O18, berillosilikat aluminum.
Hardness: 7.5-8.
Specific gravity: 2,67-2,71.
Color: pale blue, sky blue, greenish-blue.
Feature: white.
Similar minerals evklaz, kyanite, blue topaz, tourmaline
Aquamarines mined from pegmatites, often located in coarse-grained granite.
Deposits are known on all continents, the most significant: Brazil (Minas Gerais, Bahia, Espirito Santo), Madagascar, Russia (Urals, Transbaikalia).
Aquamarines are also found in smaller numbers in other countries: Australia (NSW), Myanmar, Sri Lanka, India, Kenya, Namibia, Mozambique, South Africa, Tanzania, United States (Colorado, Connecticut, California, Maine, North Carolina).
The largest gem-quality crystal was found in 1910 in Brazil (weight 110.5 kg, diameter 42 cm). It was obtained from 220 000 carats ogranochnogo material. Earlier in 1983 there was found the aquamarine weighing 18 kg titled "Jacket", which turned out about 30 thousand carats of gem material.
In ancient times believed that the color of the stone may vary from the weather and mood of the owner. Quietly, he is blue in clear weather and when the soul of its owner safely and happily. But in bad weather, aquamarine is a greenish-blue and cloudy, like the sea before the storm. When the owner at the heart of sorrow, anguish and anxiety, just a stone becomes cloudy. Before the storm, and if against his owner's weave, a stone heavier and presses on the finger.
Man has always admired the color of aquamarine, reminiscent of the color of clean sea water. Its name is formed from the Latin words "aqua" - water and "Marinus" - the sea. According to the remark of one expert minerals, if a tank of sea water to thicken the glass, get color of the stone.
Some crystals of aquamarine reach record proportions. One of the largest in the world, if not the largest, aquamarine crystal was discovered in 1910 in Brazil in the field Marambani. In the pegmatite vein at a depth of 5 meters lie beautiful clear hex stone length 48.3 cm and 41 cm in diameter. Its mass was 110.2 kg. In the central part of it's blue, the edges of changes in light green and the transitional zone - yellow.
In the Kremlin Armory kept the scepter of the last Polish king Stanislaw, carved from one piece of transparent aquamarine, length about 30 cm and the central part ends trimmed with gold scepter.
Products
The most prized stones with the most saturated color. It is interesting to note that the color of aquamarine can vary somewhat depending on the angle of view that is usually taken into account when cutting.
Unlike emerald, aquamarine little prone to defects, but its value remains rather modest. The only noticeable in its inclusion of so-called "rain" - are small needle-like crystals or cavities, which runs parallel to the main axis. The more expressive and intense blue color of stone, the more it costs.
Medicinal properties:
Litoterapevty claim that the aquamarine has a receptive energy yin. Indian yogis believe that the most important stimulator of stone throat chakra, which is associated with the thyroid gland and controls the emotions. Aquamarine strengthens the body's defenses to help with diseases of the skin and lungs, relieve tooth pain, alleviate allergic reactions, positive effect on stomach and liver. Aquamarine powder kept on leprosy and wounds and it is removed from the teeth rdavchinu (so-called cream of tartar). It is believed that aquamarine can help cope with seasickness.
Talismans and Amulets:
Aquamarine - sailors amulet and talisman admirals. Not by chance the ancient Romans and Greeks often depicted on the aquamarine sea gods Neptune and Triton. In addition, aquamarine - a stone of friendship, justice and courage. According to ancient legends, aquamarine changes color depending on the mood of its owner and the weather.
Compliance with the sign of the Zodiac:
Fish, Cancer, Libra, Aquarius
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