Hey sisters! I'm your gemstone investment notebook, and today we're going to talk about the enchanting turquoise! 🧚‍♀️ Every time you see those high-porcelain, high-blue turquoise pieces, do you feel a little stir in your heart? But the market is mixed, and novices can easily fall into traps. Don't worry, today I'm going to share my secret turquoise quality assessment tips with you, guaranteed to make you an expert in no time! 💪

🔍 What exactly do we look for when assessing turquoise quality?

Many people think turquoise is all about color, but it's much more than that! As a veteran player who has been in the gemstone circle for over ten years, I've summarized five core elements for turquoise quality assessment: color, porcelain degree, iron lines, clarity, and size. Remember these five points, and you'll basically be able to filter out 90% of 'problematic turquoise'!

  • Color: The 'Soul' of Turquoise

* High Quality: We pursue 'high blue' and 'high green'. Among them, 'sky blue' and 'high blue-green' are top-tier colors. For example, the 'high blue material' from Yunxi, Hubei, has a pure color and high saturation; that blue is deep and full of life. I once acquired a 15-gram Yunxi high-blue turquoise, with uniform color and no color difference, absolutely breathtaking in natural light. Later, I resold it at 20% above market price, with a very considerable profit. 💰
* Secondary: Common blue, rapeseed yellow-green, military green, etc. Although these colors are not as rare as high blue, if the porcelain degree is good, they still have their unique charm and market value.
* Pitfall: Colors that are whitish, grayish, dull, or have obvious color spots or differences should generally be passed on. ⚠️

  • Porcelain Degree: The 'Skeleton' of Turquoise

* What is porcelain degree? Simply put, it's the density and hardness of turquoise. The higher the porcelain degree, the greater the density, the stronger the surface luster, the more obvious the changes after playing, and the less likely it is to crack or lose water. In industry jargon, it means 'good hardness and sufficient oiliness'.
* High Quality: Reaches 'jade-like' or 'high porcelain' level. The surface is smooth like porcelain, sounds crisp when tapped, and has a glassy texture. This type of turquoise feels heavy in hand and develops a charming patina after playing. I have a string of high-porcelain blue turquoise beads that I've played with for two years, and now they have a warm, jade-like texture, and their value has multiplied several times! ✨
* Secondary: Medium porcelain, low porcelain. Although not as good as high porcelain, if the color is good, it's still worth considering.
* Pitfall: Loose texture, light feel, rough surface, and easily absorbing water and changing color are all signs of low porcelain degree, not recommended for purchase. ❌

  • Iron Lines: The 'Fingerprints' of Turquoise

* What are iron lines? These are common black or brown veins in turquoise, formed by associated minerals (such as limonite). They are both a natural mark of turquoise and an important factor affecting quality.
* High Quality: Iron lines are evenly distributed, delicate, forming a unique aesthetic, such as 'net patterns' or 'turtle shell patterns', which can even enhance artistic value. For example, 'Wulanfa' turquoise is famous for its exquisite iron lines and commands a high price.
* Secondary: Iron lines are unevenly distributed, coarse, messy, or form 'dead lines', affecting the overall aesthetics.
* Pitfall: Iron lines that are too thick or too dense, leading to a small main body of turquoise, or areas with depressions or cracks at the iron lines. Such iron lines are not only unsightly but may also affect the stability of the turquoise. 💔

  • Clarity: The 'Purity' of Turquoise

* High Quality: Clean surface, free of impurities, black spots, white spots, and cracks. The purer the turquoise, the higher its value. Imagine a pure and flawless sky-blue turquoise, don't you instantly fall in love? 😍
* Secondary: A small amount of natural mineral spots or associated minerals that do not affect the overall aesthetics.
* Pitfall: Obvious internal impurities, black spots, white spots, or visible natural cracks. These will greatly reduce the appearance and value of turquoise. 🚫

  • Size/Weight: The 'Rarity' of Turquoise

* Under the same quality, the larger the size of turquoise, the higher its value. Large pieces of turquoise raw material are scarce and difficult to mine, so their collection value is higher. Especially rough stones used for carving or making large ornaments are even more rare. I once saw a top-grade high-blue turquoise rough weighing 200 grams, and the price was astronomical! 💸

💡 Practical Advice: How to buy turquoise as a novice?

  • Look more, buy less: Don't rush to buy at first; visit more markets, watch more live streams, and learn more professional knowledge. 👀

  • Feel it in hand: If possible, always feel the texture, weight, and luster of the turquoise in your hand. High-porcelain turquoise will have a noticeable weighty feel. 🖐️

  • Observe in natural light: Avoid looking at turquoise under strong light or warm light, which can 'beautify' it. It's best to observe its true color and luster under natural light. ☀️

  • Choose a reliable seller: When buying, choose a seller with a good reputation and after-sales service, and ask for an authoritative appraisal certificate if necessary. 💯

  • Act within your means: Choose according to your budget and preferences; there's no need to blindly pursue the top tier. What suits you best is the best! 💖


Sisters, the charm of turquoise lies in its uniqueness and the surprising changes after playing with it. I hope today's sharing can help you avoid detours on your turquoise collection journey and find your favorite treasures! If you have any other questions, feel free to leave a comment in the comment section, let's communicate! 👇

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