AC
lowe acknowledgement and thanks to many people, some for
their tips and suggestions, others for their readiness to place at
my disposal samples from their scientific practice or collection.
I would like to thank the following by name:
Charles Arps, Martin Drury, Rob Felius,
Armella Kloppenburg, Cees Mayer, Leo Minnigh, Cees
Passchier, Harry Priem, Rudolf Trouw, Janos Urai, Jan Werner,
Annemarie Wiechowski, Bep van der Wilk and Kees
Woensdrecht.
L S
Karl Kaucher III and his wife
Lotte,lnge Ni.issgen and Otto Stiekema.
of minerals and (semi)
precious stones: Richard Abbenhuis, Bert Baasdorp, Dolf Bode,
Hans Gregorius, Jose Hennekam, Roy Masin, Eric Muiderman,
Paris Nicolucci, Alfred Peth and Gerard de Roller.
TEXT CORRECTIO Madelon Evers.
OWL
GE
TS
Caillois, Roger (1966) 'Pierres'.
Gallimard. France. Caillois, Roger (1970) 'I'Ecriture des Pierres'.
Skira SA Geneve. Mandelbrot, Benoit B. (1983) 'The Fractal
Geometry of Nature'. Freeman, San Francisco. Many other
books and publications were consulted.
Most of the photographs were taken with
a 4 X 5 inch technical camera and a variety of lenses. Most of
the field photos were taken with a fixed focus camera (Fuji) on
format 60 x 90 mm. All on color reversal film, 50, 64 or 100
ASA, most daylight film and some, notably the thin section
recordings, on tungsten film. All photographic recording is by
conventional optical means, without digital manipulation or
enhancement.
DESI NPim Smit,Amsterdam.
r
0 my daughters Dorine and
Caroline, Adriaan Coppens, Susanne Mol and Marianne Wolfs.
And last but foremost my wife Johannette, for sharing it all.
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