ONYX chalcedony
Mineral characteristic.
This variety of agate (dyed chalcedony). Onyx - a kind of agate with stripes and layers of different colors. Parallel bands of agate onyx form. Patterned, layered chalcedony - this is a variety of agate shades. Chalcedony is a translucent greyish cryptocrystalline silica with a structure (consisting of fine fibers, distinguishable only under the microscope). The color of yellow, orange to red and dark red gives him iron chlorides give a green color. Black and white layers are formed Onyx Arabic. Sardonyx form a brown, orange and white stripes. The onyx mandatory direct drawing stripes (otherwise it is a simple agate). The thickness of the strips which were formed under the influence of varying temperature, varying from a few microns to millimeters. The onyx jewelry industry can call almost black chalcedony with invisible layers of the eye. Semi-transparent or translucent. Beauty onyx revealed most fully in cameos and intaglios, which today are not very popular. Currently onyx inserted into the rings, bracelets and other jewelry, make him a spectacular bracelets and necklaces.
It is believed that the species banded chalcedony, agate and onyx are represented. Any treatment that agatah layers of different colors arranged in substantially parallel, concentric circles diverge wavy fanciful shapes. Stones with straight stripes and layers of tape called onyx or agate (agate Uruguayan type). Onyx folded plane-parallel layers of different colored chalcedony, always contrasting in color; a combination of black and white stripes of color observed in the Arabian onyx, brown and white - in sardonyx, red and white - in karneolonikse, white and gray or bluish - in haltsedononikse combination bands all colors - in an ordinary onyx. onyx processing at certain angles can produce very interesting visual effects. It is very hard work.
The magical properties of stones.
Onyx known since ancient times. They served as a valuable material for jewelers. Onyx - the mascot of the leaders, which gives the ability to reach great goals. This "leaders stone", gives its owner the power over other people, clears the mind, helps to defeat opponents, enhances memory, protects from sudden death and of attempts on life. Stone is also a talisman elderly, discharging them in trouble, get rid of loneliness, improves mood and gives good spirits in many situations. Bowls made of onyx, vases, and other products beneficial effect on the atmosphere of the house, away from the alien invasion. It is a matter of respect to his owner and cools the excessive passion, but it helps the concentration of energy and directs it to the right, the working channel. Good for all the signs of the Zodiac, is the mascot of those born under the sign of Capricorn, also 8, 17 and 26 of each month, and those who were born on Saturday. But those born under the signs Cancer and Libra - have an adverse effect. Onyx, set in silver, gives a desire to live and drives "black thoughts".
Toxic and hazardous radioactive rocks and minerals
** - Poisonous stones and minerals (obligatory check in chemical laboratory + clear indication of toxicity).
** - Radioactive rocks and minerals (obligatory check on a regular dosimeter + ban on the open sale of radioactivity in the event of more than 24 mR / hour + additional measures to protect the population).
All rare stones should always be checked on a regular dosimeter on the permissible level of radiation and a chemical laboratory in the absence of toxic and volatile components which are hazardous to humans and the environment.
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