The difference between garnet and its imitation

Garnet

When it comes to garnet, people always think of its beautiful and tender texture like pomegranate seeds. As an ordinary gem, garnet is also popular among women because of its beauty. The common garnet is red, but The variety of colors is very broad, and the scallions and transparent ones are also valuable varieties.

Evaluate the most important colors of garnet, the color should be beautiful and pure, followed by the high transparency, again, the less, the format is beautiful; the size factor has less influence on the cost of the common variety. It is important to note that there are also starlight and cat's eye gems in the garnet. If the color is positive, the star line or the eyeliner is good, it is a higher price. The general molecular formula is R III M 2 (SIO 4) 3, R represents a divalent element (calcium, magnesium, iron, manganese), M is a trivalent element (aluminum, iron, chromium), and different combinations of R and M are formed. Different garnet subspecies, some garnets and even different combinations of garnet inclusions.

Common garnet and characteristic color: iron aluminum garnet, brown red; magnesium aluminum garnet, red; manganese aluminum garnet, orange yellow; calcium aluminum garnet, yellow green; calcium iron garnet, green; magnesium iron garnet, Rose red and calcium chrome garnet, scallions. As an ordinary viewing or wearing, it is not necessary to determine the detailed species of garnet, as long as they are indeed garnet. There are few gems similar to garnets on the market. Important are rubies, red zircons, spinels, synthetic garnet garnets, garnet garnets and glass imitations.

The way to distinguish is: red and red zircon have dichroism, red zircon also has a violent double shadow, and garnet is unique, so it is easy to distinguish from pomegranate; spinel is usually lighter in color, detailed Determine the instrument to be used. Natural garnets of various colors have some enamel or crystalline inclusions (such as needle-shaped gold stone, some gas-liquid two-phase inclusions, etc.), while glass imitation products are often clean, or have spherical scaly crumb-like bubbles, which are presented under Chelsea. Strong red and so on. In fact, in dealing with certain garnets, it can also have its own unique characteristics, such as garnet (green variant of calcium iron garnet), which often has a "horsetail" fiber inclusion, which can be seen at a glance see.

Although different kinds of garnets have different colors, the refractive index, specific gravity and hardness are slightly different, but all garnets are isomorphic, single-refraction gemstones, and have no dichroism and polarizing properties.

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