peridootti 7mm
Peridootti / peridot
Paino ( ct noin ) : 1
Mitat ( mm noin ) : 7 x 7 x 4,5
Hionta : viistehiottu
Puhtaus :VVS
Erinomainen Erittäin hyvä Hyvä ”kakkosluokkaa”
Hionta X
Loisto X
Väri X
Ominaista : kirkas ruohon vihreä peridootti jalokivi, pisara
Peridot is the gemstone variety of the mineral olivine. The most beautiful peridots come from the border area between Pakistan and Afghanistan. Fine peridot has also been found in Burma for hundreds of years. Although peridot is also mined in the U.S.A., China, East Africa, and North Korea, the sizes are rarely very large and stones over 5cts. are quite rare. Peridot is one of the few gemstones which are available in only one color. |
Known Facts | |
Color Key: | Green, olive. |
Refractive Index:: | 1.654-1.689 |
Chemical Composition: | (Mg,Fe)2(SiO)4 |
Hardness: | 6.5 |
Density: | 3.34 |
Crystal Group: | Orthorhombic |
Ocurrence: | China, Burma, East Africa, U.S.A., and Vietnam |
Sign of the Zodiac: | Virgo |
Month of the year: | August |
Anniversary: | 16th |
Peridot is cut in accordance with its crystal shape and mostly faceted as round, antique, oval or cushion step cuts depending on the shape of the original rough. Smaller crystals are cut into calibrated sizes. With a hardness of 6.5 to 7, peridot is reasonably hard and is used in all kinds of jewelry. Large clean stones are always sought by collectors. The name peridot is derived from the Greek word 'peridona', which means something like 'to give richness'. Peridot is a gem that has been connected to superstition throughout the ages. Associated with the sun, peridot is believed to have the power to break evil spells and dispel the mysteries of the dark. During the Middle Ages, people wore peridot to gain foresight and divine inspiration. The Gem of the Sun was thought to dissolve enchantments. When pierced and worn around left arm, it drove away evil spirits. Peridot was held to cure liver disease and dropsy. And it ended night terrors and relieved the wearer of envy. Peridot, held under the tongue, lessened thirst during fever. |
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