Needle calcite with malachite in slate
fine partly damaged tips
Size of the crystals 3 - 7 mm
Malachite as approach and in fine clumps
Halders of old mining St. Andreasberg
Old find from the seventies
Lower Saxony
Geolgic Upper Harz
Size: about 13 x 9 cm
Height: about 13 cm
Weight about 1280 grams