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].

Commonly known as 玉 (yù) or 翡翠 (fei cui) in Chinese, Jade is made up of two separate gemstones — nephrite & jadeite. It is a spiritual stone known for its high durability and significance in Chinese culture because of its beauty, practical use and value.

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, dropping the names jadeite/omphacite/kosmochlor in …

2020年11月12日 · Tune in as Senior Staff Gemologist Xiaodan Jia from GIA Hong Kong covers the history, identification, treatments and nomenclature of this precious gem from an international gemological perspective. This webinar will be conducted in Mandarin.

Equipped with the most advanced instrumentation, including an infra-red spectrometer, the experienced gemmologists of HKJSL can test Fei Cui accurately and issue authenticated certificates to the public. Refers to Natural Fei Cui which has not been subjected to any form of chemical treatment.

2023年12月12日 · Feicui's palette extends beyond green hues, thanks to chromium and iron, showcasing a vivid spectrum from emerald greens to soft yellows, vibrant violets, serene blue-greens, and pale whites—nature's diverse canvas. Superior specimens boast uniform microcrystals, imparting a velvety appearance.

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 above clinopyroxenes with a compact structure.

2024年4月29日 · But within the realm of "yu" (玉), the Chinese word for jade, lies a fascinating distinction: jadeite (aka "fei cui" or "翡翠") versus nephrite. While both hold significant value, a deeper understanding reveals their unique place in Chinese history and appreciation.

There is no easy answer to the question "is one fei cui mineral harder than the other?"; the results detailed in this paper highlight the difficulty in assessing the hardness of fei cui and the differences between hardness and scratch resistance.

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: jadeite, omphacite and kosmochlor (GAHK, 2016). For decades, Myanmar was the only source of “Imperial green” Fei Cui.