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Great video, very educational, just little correction on the historical part: Slovakia was the part of Hungary for 900 years, not only during the Austro-Hungarian Empire

What about nephrite jade? Is is also an aglomerate of different minerals beside nephrite? If not is it than considered more 'pure' than fei cui?

Vincent Pardieu the embodiment of Field Gemmology. Amazing knowledge, great professional. Thanks for everything.

Hi Rui,How do I get connected with you ? Thanks 🙏🏻

Thank you very much for this video! It's sooo interesting! 🙏❤

So most important information about Brazil diamond

Portugal really is a 💎of a country! It has been way too long since I have been there! Greetings from Finland! 💙🤍 Apropos, countries, and by extension, languages: in Finnish, I think "purple" would be considered a reddish shade of violet. So, "violet" would be the main category, and "purple" a subcategory? But I am absolutely no expert.

Elizabeth Taylor's poodle was lucky that the gem in question was a pearl and not a diamond. ;)

"They didn't care much about platinum." Autsch! ;)

As a GG from Michigan USA...I am on board with this as it is very clear and concise that the name Fei Cui is a broader term that allows for the inclusion of all pyroxenes that make up what we have known as "Jadeite". I for one am going to adopt the term and hope to educate others.

Wonderful! Thank you. I'm so happy to discover your channal :)

21:17 It isn`t true that chrysoprase was first time founded in Australia. Oooh, geologists... Look at this: file:///C:/Users/TRACE/Downloads/Chrysoprase_history_and_present.pdf It`s easy to found. You said that you love chrysoprase. As geologist you should know a bit more about it. Shame on.

brilliant as usual, Rui! thank you so much

For my (pathetic in chemistry) own brain, this webinar is beyond educational, because it’s fascinating. Thank you for explaining this with intelligent seriousness the subject demands, but also in a fashion that lay ppl and newbies can comprehend. You’re greatly appreciated!

Ruidid an excellent job explaining the issue of precious coral Bravo!

When you're not from Peru, take me and we will go. 😅😂

Hi Rui If you happen to visit to Sacramento area pls visit to me. I started jadeite business when I was 15 in Yangon and went to Hpakant at the age of 19 and stayed there for 8 years. I am now 56 and living in U.S since 2000. I’m still in trade although I licdd we must of the time in U.S. So like to meet you in person if you find time.

I love red coral accesories!🙏💗

She's wonder .

👍

olá, sou um apaixonado pela história de Portugal a todos os níveis, desde arte, literatura até mesmo ao desenvolvimento militar. Já sigo atentamente a sua página de Instagram desde o ano passado e gosto muito das suas análises e publicações. Mas existe uma questão que me intriga, o porquê de não aparecerem peças referentes a el Rey D.João V será por falta de exposição ou pelo facto de não terem sobrevivido ao terramoto?

Superb presentation. One of the best I've seen in a long time. Thank you Edward, Rui and Ed!

I inherited a one meter strand of individually knotted red coral branches of various sizes. I have been searching for its origin and I believe it to be Mediterranean about a 1900. Thank you so much.

Good information .Thank you both .

Thanks for the discussion. About 1980 I visited Taiwan a few times and came across a store selling carving made of nephrite Jade. I bought some because in 1980 the carvings were pretty reasonably priced. I'm sort of a private collector of semi-precious gemstones. The way I tell Nephrite from Jadeite is with a specific gravity test. Nephrite being slightly less than Jadeite when tested for specific gravity. In hardness they are hard to tell apart. Nephrite Jade is also somewhat translucent in thinner areas of the material, but not as much as Jadeite. (in my collection anyway)I also have a few small items made of Jadeite. I found some green stones in a river in Japan many years ago that I believe to be Jadeite, but very much occluded with some white mineral mixed within. For the longest time I carried one of these stones for luck with mixed results.

I'm curious why a steel mortise and pestle would be needed to create diamond dust ? And not one out of a stone like diorite etc

The marks at 5:38 look very similar to marks from tube drills holes in stone.

I love gemsto

I like

a mi me costo conseguír un rubí burmés de casi de 4.65 carts sangre de pichon después. llego otro de casi 10 cartas después busqué más sangre de pichon de otros lugares. son unas bellezas ya los examiné y son naturales pero a hora que tengo varios no se donde venderlos y a qué precio podría yo vender

Great sir!

Bom dia! É um prazer enorme está mandando essa mensagem para vocês admiro muito o trabalho de vocês, tenho dois cursos de gemologia módulo 1 módulo 2, tenho pesquisado muito sobre a Jade e Jadeite, gostaria muito de mandar uma amostra para vocês pesquisarem para mim, aguardo resposta um grande abraço.

Great video an information Rui! Gracias siempre por la información que nos compartes con esa pasión tuya.

RUI the link doesn't work when you click on it

Thank you for your efforts to produce and share this excellent research.

I have a asteroid ruby. A big rock.

This have been by far the most informative and detailed discussions about jade! I have always loved Jade, even though we are not Chinese, we have old jade items and jewelry that is from my grandmother. I only recognize real jade based on touch, jade is always cold. Nowadays there are many stimulated jade in the market it is hard to differentiate the originals now. Thank you

I have a question I would like to ask. From the lecture we know that Feicui is a multi crystallized compound. I also heard a theory says that the top cleaity Feicui with cold tone light is mainly sigle crystal. One of my friend told me that the theroy can not be true since Feicui has to be multi crystallized. However, based on my knowledge I believe all of Jadelite, omphacite and Kosmocholor can probability get into single crystal form in Lab. As a result, can we really rule out the posibility of a single crystal form of Feicui, for instance single crystal form of Jadeite jade?

Thank you both for your wonderful abilities in making a very complex subject understandable for total novices. You are profoundly gifted teachers.

🙏🙏🙏 thank you so much

King of harleguin

Great talk but why is her pronunciation so weird? CulliNAHN for cullinan? TREE-ad for triad ?

Pl desplay price

Theterm 翡翠 appears much earlier then late-1700s: e.g. 1:[翡翠]珠被，烂齐光些。 【文件名:\03战国\楚辞.TXT 文章标题:楚辞 作者:】 2:　　挂曲瓊些。[翡翠]珠被，爛齊光些。蒻阿拂壁，羅幬張些。纂組綺縞，結琦璜些。室中之... 【文件名:\03战国\楚辭補注（繁体字）.txt 文章标题: 作者:】 3:[翡翠]珠被，爛齊光些。 【文件名:\03战国\楚辭（繁体字）.txt 文章标题: 作者:】 4:...人菅，路人大竹，长沙鳖。其西鱼复，鼓锺，锺牛。蛮杨之翟。仓吾[翡翠]，[翡翠]者，所以取羽。其余皆可知。自古之政，南人至，众皆北向。 【文件名:\03战国\逸周书.TXT 文章标题:逸周书 作者:】 5:...卖其珠于郑者，为木兰之椟，薰以桂椒，缀以珠玉，饰以玫瑰，辑以[翡翠]。郑人买其椟而还其珠。此可谓善卖椟矣，未可谓善鬻珠也。今世之谈... 【文件名:\03战国\韩非子.txt 文章标题:韩非子 作者:】 6:...以清为浊，性命飞扬，皆乱以营，贞性漫烂，人失其情性。于是乃有[翡翠]犀象黼黻文章，以乱其目；刍豢黍梁，荆吴芬馨，以¤其口；钟鼓管箫... 【文件名:\04西汉\刘安 淮南子.TXT 文章标题:淮南子 作者:】 7:...北击辽水，东结朝鲜，中国内郡挽车而饷之。又利越之犀角、象齿、[翡翠]、珠玑。乃使尉屠睢发卒五十万为五军，一军塞¤城之领，一军守九疑... 【文件名:\04西汉\刘安 淮南子.TXT 文章标题:淮南子 作者:】 8:天地所包，阴阳所呕，雨露所濡，化生万物。瑶碧玉珠，[翡翠]玳瑁，文彩明朗，润泽若濡，摩而不玩，久而不渝，奚仲不能旅，鲁般... 【文件名:\04西汉\刘安 淮南子.TXT 文章标题:淮南子 作者:】 9:...南者，用犀角长九寸以上，若玳瑁甲一；郁林用象牙长三尺以上，若[翡翠]各二十，准以当金。（《续汉·礼仪志》上注补引丁孚《汉仪》曰：《... 【文件名:\05东汉\全汉文.txt 文章标题: 作者:】 10:...十年。下彻三泉合采金石，冶铜锢其内，漆涂其外，被以珠玉，饰以[翡翠]，中成观游，上成山林。为葬埋之侈至於此，使其后世曾不得蓬颗蔽冢... 【文件名:\05东汉\全汉文.txt 文章标题: 作者:】 11:...丽々若飞雪之重弗丽也。西望西山，山鹊野鸠，白鹭鹘桐，鹗鹞雕，[翡翠]ず＜谷隹＞，守狗戴胜。巢枝穴藏，被塘临谷。声音相闻，喙尾离属，... 【文件名:\05东汉\全汉文.txt 文章标题: 作者:】Source: ccl.pku.edu.cn:8080/ccl_corpus/

Just wondering how this effects value and could these minute distinctions, when it comes to personal preferences, ultimately be used to manipulate the value & market here in US and across the globe?

how do u not have more subs and views i cannot fathom. very good vids

I have a red coral necklace sourced from the Dumagat Tribe here in the Philippines

Full of lies there was no Iraq 500 yeas ago nore was a uae, Bahrain the Arab country as all of that was part of persia 90% of everything your guest speaker has said is utter lies and once again there is no Arab gulf and the gulf has a name it is called the PERSIAN GULF !!!!!!

Your map is wrong their is no Arab gulf it is and always will be the Persian gulf the European British took the Persian sea back in the 1749 and renamed it Arab sea we are not giving up our gulf. Start putting some respect on Persian history you show the most respect to your Arab and Chinese guests you should show the same to others as well

Love to see this vlog,so much info in guiding buying a real jade💗