Occurs as transparent, bladed, tabular crystals of delicate color in fracture surface cavities in microcline-quartz-rich pegmatite within the Precambrain Franklin marble.
Quality of samples:
Good crystals or rich for species - important (!)
Confirmation
Validity:
Believed Valid
References
References:
Common knowledge among local collectors. Ferro-axinite was analyzed and confirmed as that member of the group.
