Garnet and tourmaline

石榴石

Physical properties Garnet is a silicate mineral. The color varies with the variety. The most common ones are magnesium aluminum garnet, which is mostly red, purple and maroon. The second is that the garnet and magnesia are purple. And light rose, and the rare calcium garnet is green. Tourmaline belongs to tourmaline, and there are many colors. But unlike garnet, it will exhibit pleochroism, that is, multiple colors inside and outside the same crystal or in different parts.

碧玺

Look at the luster because there are a lot of crystals inside the tourmaline. When looking from the outside, the crystal will reflect many beautiful small bright spots, the surface will show the glass luster, and a few will present the cat's eye structure. The garnet color is relatively uniform and thick, and the internal crystallization is relatively stable. Therefore, from the surface, the color of the garnet is dark, unlike the tourmaline, which has no aura, and its gloss is not as good as the tourmaline.

The biggest difference between adsorptive tourmaline and other gemstones is its piezoelectricity and pyroelectricity. After friction and heat, tourmaline will produce strong adsorption, which can absorb paper dust and hair, and garnet has no such characteristics. This is the simplest and straightforward way to identify garnets and tourmalines.

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