Pyrite rare mineral as most of the Opal

as most of the Opal from this area is not nearly as attractive or fine quality as the pieces in this lot

The Brookites are undamaged and superb quality for the species

The piece has a coating of a secondary clay mineral that cannot be removed

This particular piece features a top quality

Pyrite rare mineral as most of the OpalThe Eagle mine is probably best known for its pyritohedral Pyrite specimens. This full thumbnail sized specimen is a great display piece of Eagle Mine Pyrite showing typical striated pyritohedra with sharp, very lustrous faces. Its also nearly a floater as there is only a small point of attachment. At one point there were hundreds, if not thousands, of these specimens available and they are now seldom seen for sale like most classic minerals from