Radial spherulites of shining black Ramsdellite along the fissure in flint concretion. Associating minerals are dull-black earthy Pyrolusite and minor Quartz venlets in flint. Ramsdellite from this locality is the best on all territory of former Soviet Union. Specimen size is 10x6x4 cm. Collected by Polina F. Andrushchenko in 1964. Pavel M. ...
© Pavel M. Kartashov collection & photo