Prairie Agate 163.95 ct
Fancy Cabochon  82.20 x 42.50 x 6.60 mm
South Dakota
max4868
Prairie agate
this type of agate is a mixture of quartz and agate layers. Geologically is related to the Chadron
Formation (lower Oligocene and upper Eocene). It's color is generally brownish-red, brown and white. It
is found primarily in the Black Hills of northeastern Wyoming,South Dakota and Nebraska .
Hand polished on both sides.