As a result, China's gem trade has adopted the traditional term "fei cui" (pronounced 'fay choy') to cover all the pyroxene jades. Lotus Gemology has done the same starting on 1 July 2023, …

2023年12月12日 · Jade, notably Feicui, epitomizes an allure far beyond superficial beauty—it embodies a luminosity entwined with density and transparency, fundamental elements defining …

2024年1月17日 · Fei Cui, Omphacite Jade is a microgranular to microfibrous polycrystalline aggregate. Its major mineral component is Omphacite [ (Ca,Na) (Mg,Al)Si2O6].

2020年11月12日 · What’s the difference between ‘jade’ and ‘fei cui’ and what do the terms “A Jade”, “B Jade” and “C Jade” mean in the trade? Tune in as Senior Staff Gemologist Xiaodan …

Equipped with the most advanced instrumentation, including an infra-red spectrometer, the experienced gemmologists of HKJSL can test Fei Cui accurately and issue authenticated …

Fei cui (sometimes fei tsui or fei-ts'ui) is the Chinese term that refers to the plumage of the kingfisher birds that have red (fei) and green (cui) feathers (Hansford, 1948). It is believed by …

The name Fei Cui however covers a range of compositions of jade that include the minerals jadeite, omphacite and kosmochlor. It is a polycrystalline aggregate of one or more of the …

Fei Cui (Kosmochlor Jade) is a granular to fibrous polycrystalline aggregate. It is composed of Kosmochlor (NaCrSi. 2. O. 6) as major mineral. It may contain other minerals such as minerals …

Fei Cui is a kind of jade that is defined as a granular to fibrous polycrystalline aggregate composed solely, or principally of any of the following or any combination of the following: …

Fei cui jade is a relatively recent entry to the jade family, only entering China in quantity during the Qing Dynasty under emperor Qianlong [1711–1799]. While it lacks the rich history and creamy …