Noun
A mineral occurring in tetragonal crystals, usually of a brown or gray color. It consists of silica and zirconia. A red variety, used as a gem, is called hyacinth. Colorless, pale-yellow or smoky-brown varieties from Ceylon are called jargon.
Source: Webster's dictionaryApplications Sand-sized grains of zircon Zircon is mainly consumed as an opacifier, and has been known to be used in the decorative ceramics industry. Source: Internet
Based on measurements of 39 zircon and monazite crystals, Dr. Erickson and his team calculated that the Yarrabubba impact occurred 2.229 billion years ago, with an uncertainty of 5 million years. Source: Internet
Clift et al., 2011, U-Pb zircon dating evidence for a Pleistocene Sarasvati River and capture of the Yamuna River, Geology, 40, 211–214 (2011). Source: Internet
Because of its chemical resistance, zircon is also used in aggressive environments, such as moulds for molten metals. Source: Internet
Using U-Pb dating of zircon sand grains they found that sediments typical of the Beas, Sutlej and Yamuna rivers (Himalayan tributaries of the Indus) are actually present in former Ghaggar-Hakra channels. Source: Internet
Due to its hardness, durability and chemical inertness, zircon persists in sedimentary deposits and is a common constituent of most sands. Source: Internet