Galena calcite in calcareous slate
scutterudite ( little)
Halders of Altbergbau St. Andreasberg
Old find from the seventies
Lower Saxony
Geolgic Upper Harz
Size: approx. 16 x 10,5 cm
Height: about 6 cm
Weight about 1090 grams

    Galena 
    calcite
    in slate
    Heaps of marriage. Mining in St. Andreasberg
    Old find from the seventies
    Lower Saxony
    Geolgic Upper Harz
    Size: about 13 x 6 cm
    Height: about 5 cm
    Weight about 900 grams

    Leafy calcite with fine quartz crystals
    on rhombohedral calcite in slate
    Size of calcite crystals 3 - 20 mm
    smallest glittering quartz crystals
    Sieber tunnel
    Halders of Altbergbau St. Andreasberg
    Old find from the seventies
    Lower Saxony
    Geolgic Upper Harz
    Size: about 13 x 10 cm
    Height: about 9 cm
    Weight of the step about 530 grams

    Leafy calcite with fine quartz crystals
    Size of calcite crystals 3 - 10 mm 
    smallest glittering quartz crystals
    Halders of Altbergbau St. Andreasberg
    Old find from the seventies
    Lower Saxony
    Geolgic Upper Harz
    Size: about 14 x 10 cm
    Height: about 3 cm
    Weight about 360 grams

    Calcite combinated with galena, skutterudite and
    Chalcopyrite in slate
    Cobalt arsenic compound with nickel content
    Halders of old mining St. Andreasberg
    Old find from the seventies
    Lower Saxony
    Geological Upper Harz
    Size: approx. 80 x 75 mm
    Height: approx. 45 mm
    Weight of the specimen about 220 grams

    Calcite with galena and cobalt
    in slate
    Halders of old mining St. Andreasberg
    Old find from the seventies
    Lower Saxony
    Geolgic Upper Harz
    Size: approx. 11 x 9 cm
    Height: about 4 cm
    Weight  about 400 grams

    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
  

calcite in calcareous slate
Sieberstollen St. Andreasberg
Old find from the seventies
Lower Saxony
Geolgic Upper Harz
Size: approx. 13 x 8 cm
Height: about 5,5 cm
Weight about 480 grams

    Needle calcite on rhombohedral calcite
    fine undamaged lace in
    small cavities
    Size of the crystals 3 - 5 mm
    Halders of old mining St. Andreasberg
    Old find from the seventies
    Lower Saxony
    Geolgic Upper Harz
    Size: about 10 x 10 cm
    Height: about 9 cm
    Weight of the cabinet about 1000 grams

    Grown calcite crystals
    and in a small geode
    Malachite in fine clusters
    on slate
    Halders of old mining St. Andreasberg
    Old find from the seventies
    Lower Saxony
    Geolgic Upper Harz
    Size: approx. 70 x 60 mm
    Height: about 70 mm
    Size of the crystals approx. 5 mm
    Weight about 140 grams