Zircon

Zircon (ZrSiO4) is a diamond-like type of mineral that crystallizes as small, double terminated crystals, but also as tabular prismatic square crystals. Zircon is a heavy, dense, mineral ranging in color from grey, brown, yellow or red, to colorless. The colorless forms of zircon is often used as synthetic diamonds, although in terms of hardness, …

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