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Gems and Minerals in Oregon

Agates and Jasper

These semiprecious gemstones can be collected at many sites along the Oregon coast, including Agate Beach at Newport, in some of the streams draining the Western Cascade, near the town of Antelope and around Prineville in central Oregon, near Hart Mountain and Lakeview in south-central Oregon, and at Succor Creek in southeastern Oregon.


jasper
Agate and jasper are part of the
chalcedony family, a variety of quartz.


jasper
Distinctly banded specimens that differ in color and in degree of translucency are called agate; and mottled yellow, red, brown or green chalcedony is called jasper.




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Oregon Department of Geology and Mineral Industries
800 NE Oregon Street, Suite 965, Portland, OR 97232-2162
(971) 673-1555, FAX (971) 673-1562
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