Crystal Knowledge

Natural emeralds are favored for their distinctive green color and unique charm, along with their magical legends. However, many people find it difficult to distinguish between natural and cultured emeralds, as there are many cultured emeralds on the market that are sold as genuine. Let’s explore the differences between cultured and natural emeralds. Color: The […]

In the world, there are more than twenty countries that produce emeralds. Among them, Colombia, Zambia, and Brazil are the world’s three major emerald producing areas. This time, we will not talk about Colombia or Brazil. Let’s talk about Zambia’s emeralds. Status: Although Colombian emeralds have been synonymous with high-quality emeralds in the world for

We have seen so many interesting cuts, and every time we discuss the sugar-loaf cut shape, everyone asks why gemstones are cut this way. Who invented this cut, and what is so special about it? Today, Reikii will share with you the knowledge about the sugar-loaf cut of gemstones. Introducing the Sugar-Loaf, which has various

Quartz is a common and primary mineral found in nature. In gemmology, transparent, gem-grade single-crystal quartz is referred to as crystal, while polycrystalline quartz gemstones are collectively known as quartzite jade. Non-crystalline quartz gemstones include opal and natural glass (obsidian, tektites). Crystals are solids with a lattice structure. Regardless of their external shape, the internal

The popular science written materials in this article are all sourced from professional textbooks such as “National Standard GB/T 16652 – 2017 Jewelry and Precious Stones – Nomenclature”, “Systematic Gemmology”, and “Gemmology Tutorial”. Why are natural gemstones optimized and treated? Is a gemstone still valuable for collection after optimization and treatment? Let’s see how “Systematic

Is crystal raw stone still unearthed locally in Donghai? The total reserves of crystal in Donghai County are about 300,000 tons, and the reserves of quartz are about 300 million tons. The reserves and quality rank first in the country. This is what the government promotes, but no one knows exactly how much is left!

There are many methods of identifying crystals online, such as visual inspection, licking with the tongue, testing hardness, observing double images of hair using the refractive property of crystals, etc. However, in practical situations, these methods are often not operational. For the specific unreliable operations, you can ask Baidu. I won’t go into details here.

The so-called saying goes that there are thousands of types of agate and countless kinds of jade, and the same principle applies to crystals. Currently, on the market, crystals are mainly divided into pure-color crystals and inclusion crystals. Pure-color crystals are further classified into: white crystal, citrine, amethyst, rose quartz (pink crystal), smoky quartz, green

I have observed many netizens’ comments on the evaluation of completely clear white crystal: ‘Isn’t this just glass?’ Indeed, visually, completely clear white crystal bears a strong resemblance to glass. So, what is the difference between crystal and glass? Additionally, there are numerous online tutorials on how to distinguish between crystal and glass, such as

Recently, ‘Swan Jade’ has caused quite a stir in the jewelry circle, facing criticism from many insiders. It’s a common practice to misrepresent items in the jewelry industry, so no one should cast the first stone. So, what should you do when encountering such situations? Of course, rely on the appraisal results from certificates. However,