Page 447 - Copper and Bronze in Art: Corrosion, Colorants, Getty Museum Conservation, By David Scott
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TABLE 8 X-RAY DIFFRACTION DATA FOR CHRYSOCOLLA SAMPLES 3
LA MIÑ4i GLOBE l\ΛΙΝΕ, ICDD 27 -188 ICDD 11 •322 NICKEL &
CREEN,1 PERU ARIZON A NICHOL!
Intensity d-spacing Intensity d-spacing Intensity d-spacing Intensity d-spacing Intensity d-spacing
50 11.586 60 16.8 80 17.9
50 7.17 40 7.3 60 7.9 60 8.3
10 4.454 20 4.4 20 4.45 30 5.72
70 3.503 10 3.89 60 4.07 10 4.43 100 4.39
70 3.336 45 2.8 80 2.9 5 3.57 50 2.8
80 2.815 30 2.45 70 2.56 80 2.92 40 2.6
10 2.702 60 1.63 40 1.602 45 2.49 10 2.42
60 1.999 60 1.49 100 1.486 45 1.638 10 2.32
10 1.823 25 1.03 100 1.494 30 1.6
50 1.484 5 0.98 30 1.334 80 1.482
60 1.262 5 0.78 5 0.957 20 1.321
5 0.879
La Miña green in a pigment sample from a first-century C E . Moche site in Peru (Scott, Doughty, and Donnan 1998).
a
Note that the three reference sets of data are all different,
k From Nickel and Nichols 1991.
A P P E N D I X D
430
