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so please keep this in mind
Kosnar collection
dark blue colored Vivianite crystal
This specimen was collected in 2000
Ferberite as a species is not known in well-crystallized examples worldwide
Vivianite with Childrenite and Paravauxite Chlorargyrite so please keep this inA classic association specimen from one of the most well known mines in Bolivia. Subscribers to the Mineralogical Record know that an entire issue was dedicated to this unique and historic locality. This piece features a wonderful, relatively sharp, deep emerald green color, prismatic crystal of Vivianite which is associated with beautifully contrasting golden Childrenite aggregates, and rare light green Paravauxite crystals on the back reverse side
