An exceptionally fine specimen of a Hermanovsky sphere with a preserved complete core and cap. The so-called core of the sphere (flat pit/ lens) is made of dark shiny phlogopite, which is surrounded along the entire circumference by radially arranged needles of silver-grey anthophyllite. The outer edge of the sphere is again covered with a thin layer of phlogopite scales. This is a very rare mineralogical curiosity.
Localities, Czech Republic, Pegmatites, Mineral Classification, Silicates, Size, Medium, Type Localities
Heřmanovice Ball
Out of stock
Location: Heřmanov; Czech Republic
Dimension: 65 × 60 × 105 mm
Weight: 510 g
Tento produkt již nemáme v nabídce, ale pokud jej poptáváte, můžeme Vám nabídnout jiný, jakmile se v nabídce objeví.
