Така нареченият “opal stone” in gemology refers specifically to golden emeralds with cat’s eye effect. Any other gem mineral with cat’s eye effect cannot be called “opal stone” in general, but must be in front of its name. It is given mineral names, като “emerald cat’s eye” или “quartz cat’s eye”. The chemical composition […]
Архиви на категория: Новини за бижута
Since more than 20 kinds of gem minerals with cat’s eye effect have been discovered in the world, and their beauty and value are far less than the golden-green opal, some people call golden-green opal “true opal” and refer to the other All kinds of gems with cat’s eye effect are called “false opals”. Обаче, […]
Александрит, Известен също като “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. […]
Турмалинът се използва главно за бижута, като пръстенно лице и колие; Деликатните цветове могат да бъдат издълбани в занаяти. Окото на турмалинската котка се използва главно като лице на пръстена. Защото турмалинът има пиезоелектричен ефект и пироелектричност, Освен това има важни приложения в науката и технологиите. The name of tourmaline comes from its own properties of generating […]
Има две версии на източника на английското име на Топаз: Единият произлиза от старото име “Топаз” на малък остров в Червено море. Островът не произвежда топаз, но е богат на перидот. Местните го смятат за жълто. Разнообразието от оливин се нарича “Топаз”, hence the […]
Golden jade refers to a kind of golden topaz, most of which is the yellow color of naturally produced white topaz (Известен също като 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. Твърдост 6.5-7; density 3.3～4.4g/cm3; glass luster to grease luster, often transparent. Gemstones similar […]
The English name of garnet means “like a seed”, which means it is very similar to the “seed” in pomegranate. Often referred to as “гранат” 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” и “shining stone”. The name, the aliases such as “water essence” и “thousand-year ice” are obviously due to the lack of […]