bright blue rough hemimorphite from wenshan, yuunan province, china

adamantine aggregates beautiful biaxial blue brittle calamite chakra china class cluster concentrically conchoidal crusts crystal crystalline fibrous filling geology granular healing hemimorph hemimorphite layers macro massive mineral minerals mining natural nature needle orthorhombic pyramidal rare reniform rounded semiprecious shaped smithsonite sorosilicate specimen stalactitic stone striated system texture throat uneven vitreous vug white