Gemstone Identification: MOHS SCALE OF MINERAL HARDNESS

If you’re a fan of gemstone, there’s one name you definetely need to respect. Friedrich Mohs (1773-1839),German Geologist/mineralogist. Mohs, studied chemistry, mathematics and physics. He started classifying minerals by their physical characteristics, in spite of their chemical composition, as it was done before. He created a hardness scale that is still used as Mohs scale of mineral hardness. The scale goes from 1 to 10. Diamond is at the top of the scale, with a rating of 10, Talc is the softest, with a rating of 1. You can use minerals of known hardness to determine the relative hardness of any other mineral.  A mineral of a given hardness will scratch a mineral of a lower number. For example one of your fingernail(2) can scratch a talc(1)...

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Few Tips of Chinese Antique Jade Collecting

If you are an antique jade collector especially for Chinese jade, then there are few tips you must know: 1. Master the ancient jade patterns. Chinese jade has a rich history of patterns. Certain unique pattern can help to date back to specific era. If you are a Chinese antique jade lover, I would recommend the famous book “Antique Jade Illustration” written by Wu Da Zhen from Qing Dynasty. The author depicted a list of antique jade based on their date, usage, and size. He also provided related illustrations which were highly valuable. 2. Fabricated Ancient Jade can be dated back to Song Dynasty (960 –1279AC). As I mentioned in previous article, the authentic ancient jade shall be dated before Han Dynasty (202 BC). So even if it is an antique jade piece, it...

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What is Ancient Jade

If you are interested in Chinese jade collecting, there is a very import definition to know that is “Ancient Jade (GuYu)”. A lot of jewelers might claim their jade is Ancient Jade. However, it can be very misleading. Strictly speaking, “Ancient Jade (GuYu)” shall be dated back before Han Dynasty (202BC). In Chinese pronunciation, “Gu Yu” means Ancient Jade while it also can be translated as Antique Jade. So some jewelers might play around this definition and cheat you of the price. Tweet

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How to identify the broken and repaired jade

Intactness” is a very important required virtue of a valuable jade piece. If a jade piece is broken, even to a tiniest extend, the value shall drop drastically. Unfortunately, thanks to the advanced repair technique its becoming more and more difficult for a collector to identify a broken piece. The key to identify if a jade piece is broken and repaired, is the detail oriented observation. No matter how delicate the repair is, you always can find a clue. Today I will introduce you few jade repair techniques and how to sleuth. 1. If the broken part is obvious, the repairer might use other materials to replace such as gold, silver or even platinum. This technique does sound very obvious too. However if the vendor told you it’s a gold inlaid jade piece and the...

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How the ancient Chinese nurture jade?

Nurturing your own unique jade is definitely the greatest joy in the jade collecting experience. Nurturing jade is the course of wearing the jade with you and providing extra care. Its the course of sublimation from a little caterpillar to the beautiful butterfly. As I mentioned in previous article, according to the renowned literacy “Ancient Jade Identification” from 1700’s, the Art of Jade Nurturing could be categorized into: Gentle Nurturing, Intensive Nurturing, and Spiritual Nurturing. 1. Gentle Nurturing: Wearing the jade piece directly on your body. Warm the jade by your own human temperature and rub it with clean hands every day. If its an antique piece, then you need to place this piece in a beanbag and wear it directly on your body for the first...

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A myth of jade— Nurturing Jade

Ancient Chinese always admire jade more than just gemstone. Jade are believed to have special spiritual bond with the human master. Jade loses its luster when time passes by. While ancient Chinese believed the human care and nurture can restore the shine or even improve the eminence if the care comes from the meant-to-be human master. Due to this “Jade Spiritual Philosophy”, Jade Nurturing plays a pivotal role in the Jade Culture. Especially, if it’s an antique jade buried underground then it was usually covered by some water or soil rust. Ancient Chinese believed the “Human Touch” could restore the lost luster. The Jade Nurturing is the interaction between the human master and the jade piece. As I mentioned before, ancient Chinese believed everybody had...

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