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Nephrite gemstone. Description, wares from nephrite.

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Calcium Magnesium Iron Silicate Hydroxide Ca. Mainly green, various shades (from bright and apple-green up to bluish and olive), white (opaque, "water"-white, transparent, yellowish), gray and black. Color of a nephrite is caused by chromophor elements: Cr. Green differences), Fe. Gray-green, yellowish and others). Relative concentration of the specified ions causes various color of a nephrite. Frequently coloring of a nephrite is non-uniform, spotty, stripped. 55 - 6.5 on Mohs scale. 28 - 3.3 gr/sm.

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Jasper gemstone. Description, wares from jasper.

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Up to 15%, CaO - 3-6%). In mineral structure there are quartz, sometimes chalcedony prevails, frequently epidote, a pomegranate, actinolite, sericite, hematite, biotite, piedmontite, pumpellite. 6 - 7 on Mohs scale. 258 - 2.91 gr/sm. The most detailed classification of ornamental jasper ores was developed by A.E.Fersman. It is allocated six classification groups of jaspers:. 1 homogeneous, coloring red all kinds up to black, white, pink, violet, green, gray etc. 3 porphyritic with ingrowths corpuscles of...

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Charoite - russian gemstone from Yakutia. Charoite wares.

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Hydrated Potassium Sodium Calcium Barium Strontium Silicate Hydroxide Fluoride ( (Ca, Na, K, Sr, Ba). A chemical compound changeable (%): SiO. 101-185, CaO - 20.5, K. O - 85-10.5, and also oxides of barium, strontium, sodium - 0.9-3.5, fluorine, water. From gentle - lilac up to lilac and violet. 5 - 6 on Mohs scale. 254 - 2.68 gr/sm. Glass with silky surface. Opaque, thin breaks are transparent. Charoite is well polished mineral, the unique material for producing the wonderful products: vases. Если хотит...

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Rhodonite gemstone. Description, wares from rhodonite.

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Manganese Iron Magnesium Calcium Silicate ( Mn,Ca)SiO. Pink, pink-gray, crimson up to red; for units with small quantity of impurities - bright and uniform, with their increase there is a spotty pale colouring. 5 - 55 on Mohs scale. 34 - 3.7 gr/sm. Glass, on planes of cleavage with pearl. Opaque, in thin plates and breaks the bright rhodonite is translucent. For rings, brooches etc. Takes bright crimson translucent rhodonite - a rare material on deposits, and for manufacturing stone carving wares ( vases.

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Unique corporate gift from gemstones: serpentine, jasper, charoite etc.

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We bring to your attention the collection of unique corporate gifts from semi precious gemstones. Open for itself corporate gift ideas which are produced by us. Here you will find products both conservative design and lovely trinket. Our unique corporate gifts from gemstones are things of high style and quality. Whether it is possible to compare them to plastic products which meet continually? Lasers technology are our methods of getting the success. Collection of our products:. Если хотите сделать строи...

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Obsidian gemstone. Description, wares from obsidian.

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Of obsidian is from light gray, brown, reddish up to pitch-black. There are striped, like-breccias versions, with rare irisation of green and red color. Some versions of obsidian are similar to smoky quartz and morion. There are known the deposits of obsidian of red and brown color in East Kazakhstan, in Semeytukskiy magmatic complex of the Perm age, and also other areas which studied insufficiently. 5 - 6 on Mohs scale. Like-shell, some versions are transparent in thin breaks. Если хотите сделать строит...

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Unique handicraft gemstone products: jewelry boxes, humidors, gemstone pictures.

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Our unique handicraft gemstone products. Our unique handicraft gemstone products. We represent the handicraft production of the unique gifts and things for decorate home design interior with ancient traditions on art processing semi precious gemstones. It includes manufacture of gemstone jewelry boxes. Clocks with bronze casting. Necessarily address to us because we have an individual approach to each client. The catalog of our handicraft products can be looked here. Jewelry boxes from serpentine gemstone.

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Unique executive desk sets from gemstones and bronze.

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Such gift - our desk set can is at you, on your table. It not cheap stuff which stand on tables at each clerk. It is one of attributes of your vital success, originality which will start to improve your image better than hundred thousand words. Certainly, these are respectable gifts for office of the successful businessman. In a word it is a thing, advantages from which purchase are much higher, than expenses for its purchase. Such handicraft executive desk set from semi precious gemstones. Если хотите с...

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Malachite gemstone. Description, wares from malachite.

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Copper Carbonate Hydroxide (Cu. Green, various shades. Coloring is caused by presence of ions of copper; its intensity depends on a structure, size and a combination of mineral units and aggregates of malachite. 35 - 4 on Mohs scale, it is fragile. 39 - 4.1 gr/sm. Glass up to diamond, the break has silky surface, a polishing surface looks like velvet. Jewelry (rings, ear rings, brooches, beads). On Ural mountain there are allocations of two versions of malachite: turquoise and plush. Allocations of ornam...