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Talk:Cabochon. This article is within the scope of WikiProject Gemology and Jewelry, a collaborative effort to improve the coverage of Gemology and Jewelry on . If you احصل على السعر
cabochon. One of two basic types of cutting styles used to fashion gemstones; the gem is cut in convex form, highly polished, but not faceted. Want to thank TFD for its existence? Tell a احصل على السعر
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Looking for Cabochons? Find out information about Cabochons. One of two basic types of cutting styles used to fashion gemstones; the gem is cut in convex form, highly polished, but احصل على السعر
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The name moonstone derives from the stone's characteristic visual effect, called adularescence (or schiller), which produces a milky, bluish interior light. This effect is caused by light احصل على السعر
Opal is a hydrated amorphous form of silica (SiO 2 ·nH 2 O); its water content may range from 3 to 21% by weight, but is usually between 6 and 10%. Due to its amorphous property, it is احصل على السعر
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Cabochons synonyms, Cabochons pronunciation, Cabochons translation, English dictionary definition of Cabochons. cabochon n. 1. A highly polished, convex-cut, unfaceted gem. Encyclopedia and Thesaurus The Free Dictionary 13,396,457,819 visits served. Search / Page tools? Keyboard. Word / Article Encyclopedia.احصل على السعر
Application. Cutting en cabochon (French: "in the manner of a cabochon") is usually applied to opaque gems, while faceting is usually used for transparent stones. Hardness is also taken into account as softer gemstones with a hardness lower than 7 on the Mohs hardness scale are easily scratched, mainly by silicon dioxide in dust and grit. This would quickly make translucent gems احصل على السعر
Looking for En cabochon? Find out information about En cabochon. One of two basic types of cutting styles used to fashion gemstones; the gem is cut in convex form, highly polished, but not faceted. Dictionary, Encyclopedia and Thesaurus The Free Dictionary 13,424,862,401 visits served. Search / Page tools? Keyboard. Word / Article; Startsاحصل على السعر
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Precious opal shows a variable interplay of internal colors, and though it is a mineraloid, it has an internal structure. At microscopic scales, precious opal is composed of silica spheres some 150–300 nanometres (5.9 × 10 −6 –1.18 × 10 −5 in) in diameter in a hexagonal or cubic close-packed lattice.It was shown by J. V. Sanders in the mid-1960s that these ordered silica احصل على السعر
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Cabochon. Der [1] Cabochon ist eine zu den Glattschliffen (d. h. ohne Facetten) zählende Schliffart von Schmucksteinen, bei der die Unterseite flach und die Oberseite nach außen gleichmäßig gewölbt ( konvex) ist. Ein doppelter Cabochon ist dagegen auch auf der Unterseite konvex geschliffen (siehe auch Linse ).احصل على السعر
Cabochon di tormalina Anello con cabochon di pietra di luna. Il cabochon (dal francese medievale "caboche", testa. Cfr. vernacolare italiano "capoccia", da "capo") è un tipo di taglio privo di sfaccettature, mediante il quale si ottiene una forma con la sommità convessa e la base piatta, anche se il termine è usato per indicare qualsiasi forma deliberatamente non sfaccettata.احصل على السعر
Cabochon is de benaming voor een slijptechniek voor het slijpen van edelstenen en halfedelstenen en de benaming voor de stenen die hiermee worden verkregen.. De natuurlijke stenen worden eerst in een vorm geslepen (bijvoorbeeld in hartvorm, ovaal of vierkant) waarna er van de bovenkant laagjes af worden geslepen totdat de steen bol geworden is. Ze worden احصل على السعر
A cabochon or cabachon is a gemstone which has been shaped and polished as opposed to facetted. The resulting form is usually a convex top with a flat bottom. Cutting "en cabochon" is usually applied to opaque gems, while facetting is usually applied to transparent stones.احصل على السعر
Cabochons synonyms, Cabochons pronunciation, Cabochons translation, English dictionary definition of Cabochons. cabochon n. 1. A highly polished, convex-cut, unfaceted gem. Encyclopedia and Thesaurus The Free Dictionary 13,396,457,819 visits served. Search / Page tools? Keyboard. Word / Article Encyclopedia.احصل على السعر
Application. Cutting en cabochon (French: "in the manner of a cabochon") is usually applied to opaque gems, while faceting is usually used for transparent stones. Hardness is also taken into account as softer gemstones with a hardness lower than 7 on the Mohs hardness scale are easily scratched, mainly by silicon dioxide in dust and grit. This would quickly make translucent gems احصل على السعر
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