Paint work is known by several names in the world of gems and is regarded as lapis lazuli, or lapis lazuli or the old blues-rock is known. This stone will never be confused with lazulite felt that semi-precious stones for thousands of years, cultured pearl, this stone for its deep blue, almost turquoise colored felt. This is a soft stone that must be taken when wearing or cleaning of jewelry will be. Digitalis is not thrilled cutting raw lapis lazuli, as it emits a very unpleasant smell of sulfur, like rotten eggs. Lapis is seen most often in shades of blue for the blue stones, and sometimes yellow or translucent are. Lapis is one of the old license fees and use unique in his color and his deputy.
History
With a history of six centuries, this stone dates back to Old Babylonian empire and Persia. Shiny dark blue is often said of ancient cultures with the blue sky. It was very common in ancient times in the early eighteenth century to less than desirable stones into a fine powder used as pigments for paints and floor plaster. Many famous works of Renaissance art pigments employed abroad, including paintings and frescoes. Substance, which was created by the grinding process, which was referred to the situation in overseas be synthetically since the mid-nineteenth century. The presence of contaminants such as pyrite minerals are considered the gold stains in stone, and these samples were less than desirable. No change of color can add to the look and value of the stones. Lapis, California, Chile and Siberia, and better quality stones, presumably out of Afghanistan.
Stone Information
Lapis spots or share the recognition with a blue sapphire of her cousin, as a stone for the month of September and will be born with the astrological sign of Sagittarius is associated with.
New Age beliefs and powers for centuries
The old story of lapis led to a rich mythology and folklore. Most of the ancients believed that the conviction and direction of energy were teachers in the hands of a splinter. The ancient Egyptians used lapis lazuli are within certain religious rites. New Age community has given to alleviate some of the healing and metaphysical properties of Lapis, pearl pendant, including the ability to avoid depression and pain. set high to promote spirituality, stone, gained a reputation as very useful in the practice of meditation.
artificial forms of development
There are no known methods to improve the color or appearance of this stone.
Color
Stones are mainly in shades of blue, yellow or colorless.
General scientific information
The chemical name of (Na, Ca) 8 (AlSiO4) 6 (SO4, S, Cl) 2 is called sodium and calcium sulfate, sulfur and aluminum silicate.
hardness of 5.0 to 5.5 on the Mohs scale - measures the Mohs scale of hardness of metals, minerals, gems and crystals on a scale of 1 to 10, for example the hardness properties of most crystals fall around 7 on a scale, as well as steel and titanium. Diamond is the hardest substance known on the Mohs scale is the tenth difficult for most consumers as a whole reflects the hardness of stones, which are able to scratches and cracks to resist.
There is no schism in lapis lazuli.
Refractive index of 1.5, and usually clean stone.
Weight is about 2,7 to 2,9.
Crystal is isometric.
Orignal From: Stone Information
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