Sts Gems Thai Ltd
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描述
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描述
- Mexican fire opal in orange.
- Hydrated amorphous form of silica.
- Multifaceted stone in an oval shape.
- Water content gemstone.
- Origin: Mexico.
- Delicate and scrupulous craftsmanship.
- Perfect for adding a sense of shimmer.
- Magnificent opal stone that makes a captivating main stone of your jewelry.
- Precious opal shows a variable interplay of internal colors, and though it is a mineraloid, it has an internal structure. At microscopic scales, precious opal is composed of silica spheres. These ordered silica spheres produce the internal colors by causing the interference and diffraction of light passing through the microstructure of the opal.
- Fire opal is a transparent to translucent opal, with warm body colors of yellow to orange to red. Although it does not usually show any play of color, occasionally a stone will exhibit bright green flashes. The most famous source of fire opals is the state of Querétaro in Mexico; these opals are commonly called Mexican fire opals. Fire opals that do not show play of color are sometimes referred to as jelly opals. Mexican opals are sometimes cut in their ryholitic host material if it is hard enough to allow cutting and polishing. This type of Mexican opal is referred to as a Cantera opal. Also, a type of opal from Mexico, referred to as Mexican water opal, is a colorless opal which exhibits either a bluish or golden internal .
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