Grevenbrück quarry, Lennestadt, Olpe, Arnsberg, North Rhine-Westphalia, Germany
Size 8x6cm. Self collected in 1987. Gerard van der Veldt collection and photo.
Brown calcite crystals on dolomite, size 7x5.5 cm. Self collected in 1993. Gerard van der Veldt collection and photo.
Size 8x5cm. Self collected in 1988. Gerard van der Veldt collection and photo.
Calcite rhombs on small grey dolomite crystals. Self collected in 1996. Gerard van der Veldt collection and photo.
Calcite crystals on small dolomite crystals, size 7x5 cm. Self collected in 1987. Gerard van der Veldt collection and photo.
Calcite crystals, size 6x4.5 cm. Self collected in 1996. Gerard van der Veldt collection and photo.
Size 11x9.5 cm, self collected in 1993. Gerard van der Veldt collection and photo.
Calcite crystals colored by manganese-oxide, sise 6x4 cm. Self collected in 1996. Gerard van der Veldt collection and photo.
Size 8x7cm. Self collected in 1987. Gerard van der Veldt collection and photo.
Calcite crystals on massive dolomite. Size 10.5x9cm. Self collected in 1988. Gerard van der Veldt collection and photo.
Calcite crystals on dolomite crystals, size 6x5.5 cm. Self collected in 1987. Gerard van der Veldt collection and photo.
Size 8x6 cm. Self collected in 1993. Gerard van der Veldt collection and photo.
Size 11x7cm. Self collected in 1988. Gerard van der Veldt specimen and photo.
Calcite rhombs, size 8.5x6 cm. Self collected in 1993. Gerard van der Veldt collection and photo.
Calcite crystals, size 7.5x6.5 cm. Self collected in 1993. Gerard van der Veldt collection and photo.
Calcite crystals on dolomite, size 9x7 cm. Self collected in 1988. Gerard van der Veldt collection and photo.
Pseudomorph after calcite crystals, coloured by red hematite coating. Size 11x9cm. Self collected in 1988. Gerard van der Veldt collection and photo.
© Gerard van der Veldt
Pseudomorph after calcite crystals. Size 9x6cm. Self collected in 1988. Gerard van der Veldt collection and photo.
Pseudomorph after calcite crystals. Size 5.5x4.5cm. Self collected in 1988. Gerard van der Veldt collection and photo
Pseudomorph after calcite crystals. Size 7.5x6.5cm. Self collected in 1988. Gerard van der Veldt collection and photo
Curved dolomite rhombs, size 12x8 cm. Self collected in 1988. Gerard van der Veldt collection and photo.
Iron stained calcite crystals, size 7x6.5 cm. Self collected in 1988. Gerard van der Veldt collection and photo.
Calcite crystals colored by manganese-oxide, sise 8,5x5 cm. Self collected in 1993. Gerard van der Veldt collection and photo.
Size 11x7.5 cm, self collected in 1993. Gerard van der Veldt collection and photo.
Calcite crystals on dolomite, size 9.5x9.5 cm. Self collected in 1988. Gerard van der Veldt collection and photo.
Grevenbrück quarry in 1988. Gerard van der Veldt photo.
Grevenbrück quarry, october 2007
© 2009 Klaus Krause, All Rights Reserved