Zircon is a natural gemstone renowned for its luster and high dispersion, or "fire"—the rainbow-colored flashes that appear when light strikes its cut facets. Zircon occurs in a wide variety of colors, including colorless, yellow, brown, orange, red, and green, whereas most blue zircons found in the market are the result of heat treatment.
From its remarkable brilliant fire to the crucial role of zircon crystals as a "geological timekeeper of Earth," along with details on color shades, cutting, and quality enhancement, the intriguing story unfolds as follows.
Read the gemstone guide
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