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Specimen# CO712B43
black cyclic twinned crystals which are associated with Quartz on matrix
one might think that these are "casts" or epimorphs after another species
Sri Lanka in the 1890s
Only a smaller percentage of Vivianite specimens from this locality are found on matrix
Chrysoberyl (unique twin) iron Specimen# CO712B43Chrysoberyl 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
