Zircon

Zircons name comes either from the Arabic word zarquan, which means gentle pink, or from the Persian Zarge? N - gold. Zircon is a mineral crystallizing in the tetragonal system, chemically zirconium silicate (ZrSiO4) with significant hafnium. As a gemstone has been mined from sediments Mature in Sri Lanka, but also in the Urals in Russia and Australia. The oldest dated minerals in Slovakia zircon from northern Veporicum, which has a core age of 3.4 billion years. Thanks to its high refraction of light is used in jewelry.

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