Limonite inclusions in chalcedony

Weight: 37.94 ct
Size: 26.5 x 20.0 x 11.1 mm


Nice and unusual sample, limonite pseudomorph after pyrite included in blue chalcedony,
cubic forms typical for pyrite crystals can be easily recognized.
Fantastic sample for gemologists, micromount and inclusions collectors!

Color: bluish grey chalcedony with brown limonite inclusions. The other side of chalcedony cabochon have uniform color and it is inclusion free.
Cut: oval double cabochon
Treatments: not treated
Origin: unknown (planet Earth)