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A moissanite engagement ring Moissanite: emerald cut. Moissanite was introduced to the jewelry market as a diamond alternative in 1998 after Charles & Colvard (formerly known as C3 Inc.) received patents to create and market lab-grown silicon carbide gemstones, becoming the first firm to do so. By 2018 all patents on the original process world ...
Caodaism (/ ˌ k aʊ ˈ d aɪ z ə m /; Vietnamese: Đạo Cao Đài; Mandarin: 道高臺, IPA: [ʔɗaːw˧˨ʔ kaːw˧˧ ʔɗaːj˨˩]) or Cao Đài is a Vietnamese monotheistic syncretic religion that retains many elements from Vietnamese folk religion such as ancestor worship, [citation needed] as well as "ethical precepts from Confucianism ...
The Cao Đài Holy Land is located 5 kilometres (3.1 mi) east of Tây Ninh, the provincial capital, and 100 kilometres (62 mi) northwest of Ho Chi Minh City. It covers an area of approximately 1 square kilometre (0.39 sq mi) and has a total of twelve entrances, including a main gate known as Chánh Môn and eleven numbered gates.
Unlike diamond, moissanite can be strongly birefringent. For this reason, moissanite jewels are cut along the optic axis of the crystal to minimize birefringent effects. It is lighter (density 3.21 g/cm 3 vs. 3.53 g/cm 3), and much more resistant to heat than diamond. This results in a stone of higher luster, sharper
[151] [152] In the interregnum between the surrender of the Japanese occupiers in August 1945 and the British-assisted French reconquest of the city in late September, the "Fourth Internationalists" and other popular groupings—the nationalist VNQDĐ and the syncretic Cao Dai and Hòa Hảo sects—had formed their own militias.
A gemstone (also called a fine gem, jewel, precious stone, semiprecious stone, or simply gem) is a piece of mineral crystal which, when cut or polished, is used to make jewelry or other adornments.