Hedenbergite
Dispersion Parameters (a/c plane)
ν (cm-1) | γ | S | φ |
270 | 11.4 | 24979 | 31.8 |
296 | 11.2 | 38038 | -10.7 |
317 | 17.5 | 79478 | 146.9 |
366 | 40.0 | 115793 | -17.1 |
445 | 25.4 | 259682 | 7.0 |
498 | 36.8 | 47045 | 31.6 |
554 | 20.0 | 11125 | 80.4 |
627 | 18.6 | 22455 | 70.8 |
854 | 34.9 | 359324 | 8.2 |
904 | 39.8 | 17736 | 9.7 |
967 | 45.8 | 95362 | 84.6 |
993 | 26.9 | 9923 | 38.0 |
1059 | 45.7 | 159377 | -48.5 |
1085 | 53.6 | 71058 | 77.0 |
Dispersion Parameters (b plane)
ν (cm-1) | γ | S |
277 | 9.3 | 11291 |
331 | 43.9 | 49615 |
364 | 14.4 | 17497 |
398 | 23.1 | 64178 |
472 | 14.1 | 81074 |
509 | 25.7 | 236134 |
661 | 61.1 | 68518 |
905 | 37.6 | 283404 |
954 | 16.0 | 155457 |
1058 | 13.6 | 298081 |
εxx=2.3234     εxy=0.0111     εyy=1.8113     εzz=3.4763
Measured Spectra and Principal Refractive Indices