Sixling twin
Origin: Double Rainbow mine, Galena, Lawrence Co., South Dakota, U.S.A.
Owner: Lou Perloff
Microscopic image
Origin: Julcani mine, Huancavelica Dept., Peru
Owner: Lou Perloff
Microscopic image
Cyclic twin
Origin: Alexander mine, Madoc, Ontario, Canada
Owner: Lou Perloff
Microscopic image
Photo courtesy of:
Lou Perloff
Arsenopyrite pseudomorph after
pyrrhotite
Origin: Double Rainbow mine, Lawrence Co., South Dakota, USA
Sample size: 10 x 4 x 2 cm
Origin: Double Rainbow mine, Lawrence Co., South Dakota, USA
Sample size: about 10 x 9 cm
Origin: Yao Gan Xian, Hunan Prov., China
Sample size: 8 x 5.5 x 5 cm
Photo courtesy of:
