Agate is a quartz crystal and a subvariety of chalcedony. It is found in a wide range of pale colors including green, yellow, red, reddish-brown, white and bluish white. On Mohs’ scale of hardness, agate is 6.5-7. It has a waxy or dull luster and primary sources include South of Brazil (Rio Grande do Sul), north of Uruguay, Australia (Queensland), China, India, the Caucasus, Madagascar, Mexico, Mongolia, Namibia, Wyoming, and Montana.
Color
Agate is found in a wide range of pale colors including green, yellow, red, reddish-brown, white and bluish white.

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