Wednesday, February 19, 2014

Jade - gemstone, a variety of jade. Dense and tough, abrasion resistant, shatter, flattening and ot


Jade - gemstone, a variety of jade. Dense and tough, abrasion resistant, shatter, flattening and other physical schneiders effects. Hardness 6 - 6.5. Opaque to transparent. schneiders Formula: NaAlSi 2 O 6. There jadeite, the composition is intermediate members isomorphous series: jadeite-diopside: SaMg [Si 2 0 6], jadeite-hedenbergite: CAFE [Si 2 0 6] or jadeite-acmite: NaFe [Si 2 0 6]. Because the chemical composition of some intermittent samples jadeite cause difficulties in identification. Stone characteristic "ripple" on the surface: visible but not always palpable skin "shagreen" reticulation. Perfectly polished jadeite, is likely to be jade or actinolite. Colouring jadeite jade brighter and more varied. He often mottled, prozhilkovaty spotted. Happens all the shades of green jadeite from yellowish to bluish, yellow, olive, gray, black, white, blue, cream, tobacco, orange, brown, even pink, blue and purple. Blue and purple natural jadeite extremely rare, but rather blue and purple, often painted. schneiders Variety of jadeite: - Jade-imperial, aka imperial jadeite. Transparent stone emerald-green uniform color. Rare and expensive. Worth of jewels along with 1st class (diamonds, rubies, emeralds) and used the same way. - Jade Kommershial - opaque stone with neodnodnoy emerald green color. - Jade Utilities - green opaque stone. - Jade-albite, albite jadeite schneiders - dark-green with black spots. Now widely used classification in color and transparency. 1) Imperial jadeite. 2) Any blue and purple schneiders jade. Collectible stones. 3) White, blue, pink, orange, cream, green jadeite krasivookrashenny. Translucent. 4) Olive, gray, black jade and other dirty ugly color. Plain jadeite valued more variegated. Beautiful juicy painting valued more dirty and gray. The term "grade jadeite" schneiders is intended to greenish mineral species, is highly specialized and largely obsolete. All jadeite poor quality schneiders or processed, or goes into industrial production. Jade is used in a variety of areas, including the production of elite bibs. He yavlyatsya part of several industrial production chains. Comes to the shelves relatively small part of all mined jade. Cost jadeite Radko exceed $ 1 per carat, but it is not so easy to find. The reason is that its release to the market is much smaller than you need, but the price increase unprofitable. Search it should not be widely sold, and in specialty stores. Most often in a broad sell him issued nephritis. I must say that from jadeite jade apparently not so easy to distinguish. Jadeite beads are usually 1000 - 3000 rubles. Rarely in 4000. Too cheap jadeite jade is not. Insert a medium-sized translucent jadeite is estimated at 800 - 1200 rubles. It may well be gold. Under jadeite for lining often offer amphibole schneiders or something or like jadeite-diopside. Jadeite allegedly split can be found in almost any online store with themed rooms and saunas. Split, by the way, even small clumps it is not so easy. Even without any special apparatus to cope. Keep in mind that the articles of facing jadeite malachite valued more. Small jade tiles modet be assessed $ 1,000, carvings - $ 2000. Cautious with purchases on the Internet, there are now natural zhadiita practically impossible to see. Like other stones, jade ennoble. Since heat and irradiate it useless and even harmful (can discolor), the only well stay prokraska. It turns out it is so so because the mineral itself has no pores. Most often dyed in green, blue and purple. Recognize patterns painted not be much difficulty. In nature, schneiders there are quite a few similar schneiders jade minerals, especially greenish: schneiders of hydro, Boven, schneiders diopside rocks, prase, aventurine quartzite, amazonite, jasper. schneiders Imperial jadeite similar to emerald, tourmaline, chrome diopside. Coil differs from much lower hardness schneiders of jadeite and "oily" surface. Particularly difficult to distinguish jadeite from his relatives: jade, actinolite. In some cases, without professional expertise can not do.
A B C D E F G H I K L M N O P Q R S T U V Agate Aventurine Azurite aquamarine axinite schneiders actinolite alexandrite diamond schneiders almandine amazonite amethyst Ametrine Andalusite Andradite Apatite asterism BELOMOR white benitoite colorless beryl turquoise bullseye schneiders variscite hair-jet heliodor heliotrope schneiders hematite giddenit howlite blue rhinestone grossular demantoid garnet diopside smoky quartz schneiders Dumortierite jade jadeite yellow-green yellow pearl emerald green serpentine gold imitation iolite how to choose cacholong calcite quartz kyanite coral brown corundum cat's-eye red-orange red kunzite crime Labrador

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