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Sinonimi: zirconium silicate
ETYM French, the same word as jargon. Related to Jargon a variety of zircon.
A common mineral occurring in small crystals; chief source of zirconium; used as a refractory when opaque and as a gem when transparent; SYN. zirconium silicate.
Brownish or grayish mineral used as gem.
Zirconium silicate, ZrSiO4, a mineral that occurs in small quantities in a wide range of igneous, sedimentary, and metamorphic rocks. It is very durable and is resistant to erosion and weathering. It is usually colored brown, but can be other colors, and when transparent may be used as a gemstone.