Round Cabochon Cut CP11 Yellow Green Opal Synthetic Gemstones Manufacturer

Synthetic opal is a man-made gemstone designed to replicate the chemical composition, internal structure, and physical properties of natural opal. It typically consists of silica spheres arranged in a highly regular, ordered pattern, which creates its characteristic play-of-color through light diffraction. Unlike natural opal, synthetic opals often display a more uniform and regular color pattern, sometimes described as a "chicken wire" or "lizard skin" appearance under magnification. They may contain resin (about 20%) combined with silica (about 80%) in some types, while others are resin-free and chemically identical to natural opal. Synthetic opals are generally more affordable, more durable, and less prone to cracking than natural opals. They do not fluoresce under UV light and can be distinguished by their uniformity and specific growth patterns. These qualities make synthetic opals popular for jewelry, offering vibrant colors and consistent quality at a lower price point.

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How does fluorescence enhance the appearance of opals？

Fluorescence can enhance the appearance of certain opals by causing them to emit a visible glow when exposed to ultraviolet (UV) light, adding an extra dimension of visual appeal. For example, hyalite opal is known for its intense green fluorescence under UV light, which makes it uniquely striking and desirable for collectors and jewelry designers seeking a gemstone with a captivating glow in dark or UV-lit environments.

This fluorescence results from trace elements, such as uranium, within the opal’s silica structure, which absorb UV light and re-emit it as visible light. While not all opals fluoresce, those that do can display enhanced brilliance and color vibrancy, especially under blacklight or UV illumination. This glowing effect can highlight the opal’s clarity and transparency, making the stone appear more luminous and adding to its aesthetic and decorative value. View More