Alexandrite, とも呼ばれます “allex”, is a variety of chrysoberyl which has a discoloration effect due to the chromium content; if it has both a discoloration effect and a cat’s eye effect, it is called “alexandrite opal”, which is very rare and extremely A precious variety, weighing 5ct, is worth more than US$5,000 per carat. […]
著者アーカイブ: kingjy
Tourmaline is mainly used for jewelry such as ring face and necklace; delicate colors can be carved into crafts. Tourmaline cat’s eye is mainly used as ring face. Because tourmaline has piezoelectric effect and pyroelectricity, it also has important uses in science and technology. The name of tourmaline comes from its own properties of generating […]
There are two versions of the source of the English name of Topaz: one is derived from the old name “Topaz” of a small island in the Red Sea. The island does not produce topaz but is rich in peridot. The locals regard it as yellow. The variety of olivine is called “トパーズ”, hence the […]
Golden jade refers to a kind of golden topaz, most of which is the yellow color of naturally produced white topaz (also known as topaz) after heat treatment. Some people call a kind of natural citrine golden jade, which should be called golden crystal correctly. Brazil produces the world-famous premium wine-colored topaz; Siberian pegmatite in […]
Natural opal is a color-changing block in opal. According to the color characteristics and optical effects, there are mainly 4 varieties: (1) Black opal: It is a gem opal that strongly changes color on a blue, black or green base. It is translucent to opaque, and changes color to deep and bright. It is the […]
Peridot is named for its unique olive green. Its chemical composition is magnesium iron silicate, which is the main component mineral of ultrabasic rocks. The orthorhombic crystal system has short or long columnar crystals, but it is often produced in granular form. Hardness 6.5-7; density 3.3～4.4g/cm3; glass luster to grease luster, often transparent. Gemstones similar […]
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“I’m baffeld as to why Amazon continues to sell this product even with all of the bad reviews it gets. At first the pendant looked fine and I was happy. I knew it would be light weight but I have other gold jewelry piece this size and this heart is VERY light, so I had […]
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“From the looks of the product image, it looks like a substantially bigger ring. I purchased it based on the suggestion of a local IG gal I follow saying it was a dupe for her actual ring, so I figured for $14 why not? I ordered a size 9, which I have in several other […]
The English name of garnet means “like a seed”, which means it is very similar to the “seed” in pomegranate. Often referred to as “ガーネット” for short. The technical name of the garnet gemstone in my country is “Ziyawu”. Garnet is a big family, which can be divided into two series and six varieties. Namely: […]
Crystal is a very ancient gem. In the ancient works of “Guang Ya” and other works in China, there are many kinds of crystals such as “water jade”, “water essence”, “jade crystal”, “thousand-year ice” そして “shining stone”. The name, the aliases such as “water essence” そして “thousand-year ice” are obviously due to the lack of […]