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Anonymous users2024-02-06Red spinel is similar to ruby, but spinel is homogeneous, no dichroism, uniform color, and the solid inclusion is octahedral; Rubies, on the other hand, are dichroic and have uneven colors with silky inclusions. In the case of artificial spinel, natural spinel can be distinguished from artificial spinel based on the characteristics of the internal inclusions. Artificial spinel has a bright and uniform color, few inclusions, and a high refractive index.
Spinel contains different elements and different colors, and magnesium-containing spinel is red or blue. Rough spinel is polyhedron and has a low refractive index, so it has only one color when viewed from any angle. The internal structure of spinel is pure, transparent, and free of impurities and blemishes.
Methods for identifying spinel.
Spinel has a rich variety of colors, because spinel contains magnesium, iron, zinc and other mineral elements, because of these different elements, spinel has different colors, such as magnesium-containing spinel color is red, blue and other colors, zinc-containing spinel color is dark green, but among them, red spinel value is the best.
The spinel rough is octahedral, and there are rare rhombic and cubic polyshapes of octahedron and dodecahedron. Its refractive index is very low, and no matter which side or direction it is observed, only one color can be seen, that is, the natural color of spinel, red.
Because spinel grows under volcanic magma, it can be observed under the microscope that its internal structure is relatively pure, with fine, directionally arranged or fingerprint-like inclusions, and the crystal transparency is high, with very few defects and cracks, and the hardness is relatively high.
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Anonymous users2024-02-05Spinel is similar to many gemstone varieties due to its rich color, especially with ruby, sapphire, garnet, beryl, zircon, glass, artificial yttrium almandine, etc.
The difference between spinel and similar gemstones, artificial spinels. Red spinel is very similar to ruby, except that it is dichroic, uneven in color, and has silky inclusions. Spinel is homogeneous, no dichroism, uniform color, and the solid inclusion is octahedral.
Blue, gray-blue, blue-purple, green spinel and sapphire are easily confused, with the difference that sapphire has obvious dichroism, straight ribbons, silky inclusions and double-sided crystals. The density, refractive index, and polarization of both gemstones are different.
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Anonymous users2024-02-04How to distinguish the real from the fake? Just look at these points, and remind the people around you after reading it, don't be cheated again.
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Anonymous users2024-02-03Spinel is a gem-quality mineral with the chemical formula MGAL2O4, which is an oxide mineral.
It comes in a variety of colors, including red, blue, green, orange, purple, pink, and more. The crystal form of spinel is mostly octahedral and sometimes cubic. It has a high hardness of about 8, so it can be used for the processing and setting of jewelry.
Spinel is more common in nature and is widely distributed in a variety of rocks, such as granite, pyroxene, marble, etc. It can also be found in its natural form, found by people and used as gemstones, ornaments, and crafts. The color, transparency and purity of spinel have a significant impact on the value of a gemstone.
Spinel has a certain reputation in the gemstone world, and its beautiful color and elegant appearance make it one of the favorite jewelry stones. It is important to note that spinel and ruby can sometimes be confused because they may be similar in appearance, but their chemical composition and properties are different.
Precautions for buying spinel
1. Quality and transparency: The quality and transparency of spinel are important indicators to judge its quality. A good quality spinel should be transparent or translucent and have no visible blemishes, cracks, or impurities.
2. Color and luster: The color and luster of spinel are also important considerations. Spinel can come in various colors such as clear, white, purple, pink, etc. Choose your favorite color and make sure the shine is bright and shiny.
3. Shape and cutting: Spinel can have different shapes and cuts, such as spherical, cylindrical, ornamental, etc. Choose a shape that matches your personal preference and make sure the cut is delicate to give the gemstone more sparkle.
4. Size and weight: Choose the right spinel size and weight according to your personal needs and budget. Spinels that are smaller and heavier than those are usually taller, so you need to make a choice based on your preferences and financial means.
Identification methods that are too specialized generally require professional training or skills. Here are two more intuitive ways to identify: >>>More
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