Chrysoberyl (unique twin) iron a good association specimen from

a good association specimen from this famous locality

Specimen # BOL711B263

Specimen# CO712B43

one might think that these are "casts" or epimorphs after another species

the word copal is used to describe a hardened resinous substance which is found in an intermediate stage of hardening and polymerization between softer / "gummier" resins and amber

Chrysoberyl (unique twin) iron a good association specimen fromChrysoberyl is a well known beryllium oxide mineral, often seen in fine quality twins, famous from the small state Espirito Santo in southeastern Brazil. Most people are familiar with the highly sought after and beautiful "sixling" and "heart shaped" twins, but this piece is a notably different style than the traditional twins. The piece is a narrow elongated twinned group with sharp, lustrous, well formed faces and a pleasing yellow green hue with