Classes oxides
The chemical formula SiO2
Share of 4
Color is usually pale and gray, yellow and brown tones, rare - with a green tinge or blue.
Luster: glassy, opaque, bold.
Transparency is transparent, translucent.
Conchoidal fracture uneven
Hardness 7
Extras: postponed from saturated solutions of silica
In large quantities is known in the Urals (Magnitogorsk, Kamensk-Ural), the plateau Ola (Magadan reg.), Chukotka, in the Nenets Autonomous District (Timan ridge, Kanin Ridge), in the Moscow region (in the Oka area - near the village and Golutvin . Sitnov Old) - Russia. Also in Akhaltsikhe (Georgia), Ijevan (Armenia), Adrasman (Tajikistan), Minas Gerais (Brazil). Large placer - Mongolia, Uruguay, India (Deccan Plateau). In Crimea, agates as secondary deposits are scattered throughout the basin of the rivers and Alma Bodrak. Primary deposits of the Crimea - the upper reaches of Alma and the volcanic group of Kara-Dag.
Most often, drawing the eye like Agatha. According to one ancient legend, is the eye of heaven white eagle, which after a battle with a black wizard fell to Earth and became kamnem.A his eyes continued to look at people, separating the good deeds of the wicked.
By assumption, a geologist E. Sarofima, the word "Agate" is connected with the Arabic name of the valley Akiko (literally - "a newborn baby hair"), near Medina. The Arabs, Afghans and the press to the late Middle Ages the word "Akiko" and called agate, and carnelian, and onyx.
Agatha - a layered, colorful-striped, with whimsical patterns chalcedony. If the cut stone bands form concentric or zigzag pattern, then a stone called agate. Straight and parallel bars is a kind of agate - onyx.
Glitter agate glass, on a break pearl, matte finish. According to chemical composition, as well as quartz, silica is, but with more impurities. And unlike quartz, agate is a crystal structure is hidden.
By color layers, image and location inclusions distinguish dozens of varieties of agate.
Landscape (landscape) - the cut stone can be seen whole landscapes: the raging sea, forests, rivers, valleys of mist.
Cloud - the image appears on the sky with floating clouds.
Star - a cut in the form of a starry sky.
Ruins (tower) - picture resembles an old woodcut depicting the ruins of a castle or fortress, frequently differ in the teeth of towers and walls with loopholes.
Mokhovikov - translucent stones with branching filamentous inclusions.
Products.
On the use of various agates in the past five thousand years, give an idea of the museum collections and private collections of Egyptian stamps with scarabs, Greek and Roman rings stamped miniature carvings, to the beautiful modern necklaces, necklaces, brooches, rings with flat or slightly convex shape cut .
The largest item is in the Museum of Art History in Vienna is almost flat dish with a diameter of 75 cm, cut from a piece of agate. In Russia, agate enjoyed great popularity under Catherine II. Jasper and agate from Siberia along with other stones, Catherine II kept in a "desert corner" - the Hermitage (in French - "a place of solitude"), inaccessible to outsiders. In one of his letters to the Empress joked that the only admire these treasures she and mouse.
Subsequently, this small museum has grown into one of the greatest collections of masterpieces in the world. Currently, only a collection of gems Hermitage has 20 thousand stones. In this collection of different stones than in the collections of European museums combined.
Medicinal properties.
Agate stone since ancient times was considered curative and is widely used in medicine. In ancient Russian medical manual says that if we burn agate, his ashes will heal from epilepsy, drive away "evil spirits, Zheludkova disease and to help the natural sweetness of lead." It was believed that if the agate, "put in the water and let soak for three days, and then give that to drink water during childbirth childbirth them", the child would be "easy birth." Reduces the effect of the venom. Give the patient a mouth, when during the illness worries unquenchable thirst. Helps with cardiovascular disease. Litoterapevty argue that agate can help their owners cope with many illnesses. Only need to wear it properly. For example, if protracted cough, sore throat it is worn as a necklace, with various dental diseases - in the form of earrings. Gout, diseases of the joints wear agate bracelets. Ring with agate worn on the ring finger of his left hand, those who suffer from heart disease, on the middle finger of his right hand - the people who are prone to tantrums, insomniacs and irrational fear. Agate brooch helps get rid of such ailments as asthma, pneumonia, bronchitis.
Talismans and amulets.
In the old days ocellar agate is often used for insertion into the eyes of statues for the manufacture of talismans and amulets "from the evil eye." It was believed that agate amulet can protect its owner from a lightning strike and rescue in an earthquake. Pliny the Elder wrote that agates as talismans to help athletes achieve sporting success and manage anger. As a talisman agate helps the owner to open a fraud, to identify enemies, warns of impending trouble. Mineral sets its owner to the wave of the perception of the subtle world, making it clairaudient, clairvoyant and yasnoobonyayuschim.
Compliance with the sign of the zodiac.
Taurus, Virgo, Gemini, Cancer, Libra, Scorpio, Capricorn, Aquarius. |
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