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Hermanov ball, both parts, with Anthophyllite, Phlogopite and Chlorite
Item number: MINS6119 Format: 12 (the sample fits or fills up the box of 94x85x30 mm. Sample might be higher than 30 mm) Size: 79x67x48 mm Weight: 379 g Locality: Heřmanov, Křižanov, Žďár nad Sázavou District, Vysočina Region, Czech Republic
Extra large spherical aggregate of coarse-grained Phlogopite known as Heřmanov sphere (ball). Phlogopite in the center has a rim of radial Anthophyllite, sometimes the chlorite zone is developed between both minerals. Complete ball – two parts, positive and negative.