Astrophyllite
xxx mm, E perpendicular to c, data digitized from Manning PG (1969a)  Canadian Mineral 9, 663-677. 
406.1, 1.0613
406.2, 1.0605
406.4, 1.0598
406.6, 1.059
406.8, 1.059
406.9, 1.059
407.1, 1.0575
407.3, 1.0575
407.5, 1.0575
407.6, 1.056
407.8, 1.056
408., 1.0553
408.1, 1.0553
408.3, 1.0553
408.5, 1.0538
408.7, 1.0538
408.8, 1.0538
409., 1.053
409.2, 1.0523
409.4, 1.0523
409.5, 1.0523
409.7, 1.0515
409.9, 1.0508
410.1, 1.0508
410.3, 1.0507
410.4, 1.05
410.6, 1.0493
410.8, 1.0492
411., 1.0485
411.1, 1.0485
411.3, 1.0477
411.5, 1.047
411.7, 1.047
411.8, 1.047
412., 1.0462
412.2, 1.0462
412.4, 1.0462
412.6, 1.0455
412.7, 1.0447
412.9, 1.0447
413.1, 1.0447
413.3, 1.0447
413.5, 1.0447
413.6, 1.0432
413.8, 1.0432
414., 1.0432
414.2, 1.0431
414.3, 1.0424
414.5, 1.0424
414.7, 1.0424
414.9, 1.0416
415.1, 1.0416
415.3, 1.0416
415.4, 1.0416
415.6, 1.0416
415.8, 1.0408
416., 1.0408
416.2, 1.0401
416.3, 1.0401
416.5, 1.0401
416.7, 1.04
416.9, 1.04
417.1, 1.04
417.3, 1.0393
417.4, 1.0385
417.6, 1.0385
417.8, 1.0385
418., 1.0385
418.2, 1.0385
418.4, 1.0385
418.5, 1.0384
418.7, 1.0384
418.9, 1.0384
419.1, 1.0384
419.3, 1.0384
419.5, 1.0377
419.7, 1.0376
419.8, 1.0376
420., 1.0376
420.2, 1.0369
420.4, 1.0369
420.6, 1.0368
420.8, 1.0368
421., 1.0368
421.2, 1.0368
421.3, 1.0368
421.5, 1.0368
421.7, 1.036
421.9, 1.036
422.1, 1.036
422.3, 1.036
422.5, 1.0352
422.6, 1.0352
422.8, 1.0352
423., 1.0352
423.2, 1.0352
423.4, 1.0352
423.6, 1.0352
423.8, 1.0352
424., 1.0351
424.2, 1.0351
424.4, 1.0344
424.5, 1.0344
424.7, 1.0344
424.9, 1.0343
425.1, 1.0336
425.3, 1.0336
425.5, 1.0336
425.7, 1.0336
425.9, 1.0335
426.1, 1.0335
426.3, 1.0335
426.4, 1.0328
426.6, 1.032
426.8, 1.032
427., 1.032
427.2, 1.032
427.4, 1.032
427.6, 1.032
427.8, 1.0319
428., 1.0319
428.2, 1.0312
428.4, 1.0312
428.6, 1.0312
428.8, 1.0304
429., 1.0304
429.1, 1.0304
429.3, 1.0304
429.5, 1.0304
429.7, 1.0304
429.9, 1.0296
430.1, 1.0296
430.3, 1.0296
430.5, 1.0296
430.7, 1.0288
430.9, 1.0288
431.1, 1.0288
431.3, 1.0281
431.5, 1.028
431.7, 1.028
431.9, 1.028
432.1, 1.028
432.3, 1.028
432.5, 1.0272
432.7, 1.0272
432.9, 1.0265
433.1, 1.0265
433.3, 1.0265
433.5, 1.0265
433.7, 1.0264
433.8, 1.0257
434., 1.0257
434.2, 1.0257
434.4, 1.0249
434.6, 1.0249
434.8, 1.0249
435., 1.0249
435.2, 1.0249
435.4, 1.0241
435.6, 1.0234
435.8, 1.0234
436., 1.0234
436.2, 1.0233
436.4, 1.0226
436.6, 1.0226
436.8, 1.0218
437., 1.0218
437.2, 1.0218
437.4, 1.0218
437.6, 1.0218
437.8, 1.0218
438., 1.021
438.2, 1.0203
438.4, 1.0203
438.7, 1.0203
438.9, 1.0203
439.1, 1.0202
439.3, 1.0195
439.5, 1.0195
439.7, 1.0187
439.9, 1.0187
440.1, 1.0187
440.3, 1.018
440.5, 1.0172
440.7, 1.0179
440.9, 1.0172
441.1, 1.0172
441.3, 1.0172
441.5, 1.0164
441.7, 1.0164
441.9, 1.0157
442.1, 1.0157
442.3, 1.0156
442.5, 1.0149
442.7, 1.0149
442.9, 1.0141
443.1, 1.0141
443.3, 1.0141
443.6, 1.0141
443.8, 1.0134
444., 1.0134
444.2, 1.0133
444.4, 1.0126
444.6, 1.0126
444.8, 1.0118
445., 1.0118
445.2, 1.0111
445.4, 1.0111
445.6, 1.0111
445.8, 1.011
446., 1.0103
446.3, 1.0096
446.5, 1.0095
446.7, 1.0095
446.9, 1.0095
447.1, 1.0088
447.3, 1.008
447.5, 1.008
447.7, 1.008
447.9, 1.0073
448.1, 1.0065
448.4, 1.0065
448.6, 1.0065
448.8, 1.0065
449., 1.005
449.2, 1.005
449.4, 1.005
449.6, 1.0042
449.8, 1.0042
450., 1.0035
450.3, 1.0027
450.5, 1.0027
450.7, 1.0027
450.9, 1.002
451.1, 1.0012
451.3, 1.0012
451.5, 1.0012
451.7, 1.0005
452., .9997
452.2, .9997
452.4, .9997
452.6, .9982
452.8, .9982
453., .9982
453.2, .9974
453.5, .9967
453.7, .9967
453.9, .9967
454.1, .9959
454.3, .9952
454.5, .9952
454.8, .9952
455., .9944
455.2, .9937
455.4, .9937
455.6, .9929
455.8, .9922
456.1, .9914
456.3, .9907
456.5, .9907
456.7, .9907
456.9, .9899
457.1, .9892
457.4, .9892
457.6, .9892
457.8, .9877
458., .9877
458.2, .9869
458.5, .9869
458.7, .9862
458.9, .9862
459.1, .9854
459.3, .9847
459.6, .9847
459.8, .9832
460., .9832
460.2, .9832
460.4, .9817
460.7, .9817
460.9, .9809
461.1, .9802
461.3, .9794
461.6, .9794
461.8, .9787
462., .9787
462.2, .9779
462.4, .9765
462.7, .9765
462.9, .9764
463.1, .975
463.3, .975
463.6, .9735
463.8, .9735
464., .9735
464.2, .972
464.5, .9712
464.7, .9705
464.9, .9705
465.1, .9697
465.4, .969
465.6, .969
465.8, .9682
466., .9675
466.3, .966
466.5, .966
466.7, .9653
466.9, .9645
467.2, .9631
467.4, .963
467.6, .9623
467.8, .9616
468.1, .9601
468.3, .9601
468.5, .9593
468.8, .9586
469., .9571
469.2, .9571
469.4, .9571
469.7, .9556
469.9, .9549
470.1, .9549
470.4, .9541
470.6, .9534
470.8, .9519
471., .9504
471.3, .9504
471.5, .9497
471.7, .9489
472., .9475
472.2, .9467
472.4, .946
472.7, .9452
472.9, .9445
473.1, .9438
473.4, .943
473.6, .9415
473.8, .9401
474., .9386
474.3, .9386
474.5, .9378
474.7, .9371
475., .9356
475.2, .9356
475.4, .9341
475.7, .9327
475.9, .9319
476.1, .9312
476.4, .9304
476.6, .929
476.8, .9275
477.1, .9275
477.3, .926
477.5, .9238
477.8, .9231
478., .9231
478.2, .9216
478.5, .9201
478.7, .9186
479., .9179
479.2, .9172
479.4, .9157
479.7, .9142
479.9, .9127
480.1, .9127
480.4, .9113
480.6, .9098
480.8, .9083
481.1, .9083
481.3, .9068
481.5, .9039
481.8, .9032
482., .9024
482.3, .9017
482.5, .9002
482.7, .8987
483., .8973
483.2, .8943
483.4, .8929
483.7, .8914
483.9, .8914
484.2, .8899
484.4, .8884
484.6, .887
484.9, .887
485.1, .884
485.4, .8818
485.6, .8811
485.9, .8803
486.1, .8789
486.3, .8759
486.6, .8745
486.8, .873
487.1, .8723
487.3, .8701
487.5, .8679
487.8, .8664
488., .8656
488.3, .8642
488.5, .8612
488.7, .8598
489., .859
489.2, .8568
489.5, .8554
489.7, .8546
490., .8531
490.2, .8517
490.4, .8487
490.7, .8473
490.9, .8458
491.2, .8436
491.4, .8414
491.7, .8407
491.9, .8392
492.1, .837
492.4, .8348
492.6, .8333
492.9, .8326
493.1, .8304
493.4, .8282
493.6, .8267
493.9, .8245
494.1, .823
494.3, .8201
494.6, .8186
494.8, .8172
495.1, .8157
495.3, .8128
495.6, .8098
495.8, .8091
496.1, .8076
496.3, .8054
496.6, .8018
496.8, .8017
497.1, .8003
497.3, .7973
497.5, .793
497.8, .7929
498.1, .7915
498.3, .7885
498.6, .7871
498.8, .7856
499.1, .7834
499.3, .7805
499.5, .7775
499.8, .7761
500.1, .7746
500.3, .7724
500.5, .7687
500.8, .768
501.1, .7665
501.3, .7643
501.6, .7614
501.8, .7599
502.1, .7585
502.3, .7555
502.6, .7533
502.8, .7511
503.1, .7504
503.3, .7482
503.6, .7445
503.8, .7416
504.1, .7401
504.4, .7401
504.6, .7372
504.9, .735
505.1, .7335
505.4, .732
505.6, .7291
505.9, .7262
506.1, .7233
506.4, .7232
506.6, .7203
506.9, .7167
507.2, .7159
507.4, .7144
507.7, .7115
507.9, .7093
508.2, .7078
508.5, .7064
508.7, .7034
509., .702
509.2, .7005
509.5, .699
509.8, .6961
510., .6932
510.3, .6917
510.5, .6902
510.8, .6866
511.1, .6851
511.3, .6822
511.6, .6807
511.8, .6792
512.1, .6763
512.4, .6734
512.6, .6719
512.9, .6712
513.2, .669
513.4, .666
513.7, .6646
514., .6638
514.2, .6609
514.5, .658
514.7, .6565
515., .655
515.3, .6535
515.5, .6506
515.8, .6491
516.1, .6477
516.4, .6462
516.6, .6418
516.9, .6403
517.2, .6403
517.4, .6367
517.7, .633
518., .6323
518.2, .6308
518.5, .6279
518.8, .6249
519., .6235
519.3, .622
519.6, .6191
519.8, .6176
520.1, .6147
520.4, .6125
520.7, .6117
520.9, .6095
521.2, .6051
521.5, .6051
521.7, .6037
522., .6007
522.3, .5978
522.6, .5963
522.8, .5956
523.1, .5919
523.4, .5897
523.7, .5883
523.9, .5868
524.2, .5839
524.5, .5809
524.8, .5802
525., .5787
525.3, .5751
525.6, .5721
525.9, .5707
526.1, .5692
526.4, .567
526.7, .5648
527., .5619
527.2, .5611
527.5, .5575
527.8, .5553
528.1, .5538
528.4, .5523
528.6, .5501
528.9, .5465
529.2, .5428
529.5, .5428
529.8, .5413
530., .5384
530.3, .5355
530.6, .534
530.9, .5325
531.2, .5303
531.4, .5267
531.7, .5252
532., .5244
532.3, .5208
532.6, .5186
532.9, .5171
533.1, .5164
533.4, .5127
533.7, .5098
534., .509
534.3, .5083
534.6, .5046
534.8, .5024
535.1, .5002
535.4, .4988
535.7, .4966
536., .4929
536.3, .4929
536.6, .4914
536.9, .4892
537.2, .487
537.4, .4848
537.7, .4834
538., .4812
538.3, .4782
538.6, .4746
538.9, .4738
539.2, .4724
539.5, .4702
539.8, .4687
540.1, .4665
540.4, .4643
540.6, .4621
540.9, .4599
541.2, .4591
541.5, .4569
541.8, .4547
542.1, .4518
542.4, .4496
542.7, .4489
543., .4467
543.3, .4445
543.6, .443
543.9, .4415
544.2, .4393
544.5, .4357
544.8, .4357
545.1, .4342
545.4, .4327
545.7, .4298
546., .4283
546.3, .4269
546.6, .4239
546.9, .4217
547.2, .4203
547.5, .4181
547.8, .4159
548.1, .4129
548.4, .4107
548.7, .41
549., .4085
549.3, .4056
549.6, .4034
549.9, .4012
550.2, .3997
550.5, .3982
550.8, .396
551.1, .3946
551.4, .3931
551.7, .3916
552., .3887
552.4, .3872
552.7, .3858
553., .3836
553.3, .3814
553.6, .3799
553.9, .3784
554.2, .3755
554.5, .374
554.8, .3733
555.2, .3725
555.5, .3703
555.8, .3674
556.1, .3659
556.4, .3645
556.7, .3623
557., .3601
557.3, .3586
557.6, .3578
558., .3556
558.3, .3534
558.6, .3498
558.9, .349
559.2, .349
559.5, .3461
559.8, .3439
560.2, .3432
560.5, .3417
560.8, .3395
561.1, .3373
561.4, .3358
561.8, .3343
562.1, .3329
562.4, .3299
562.7, .3285
563., .3277
563.4, .3263
563.7, .3233
564., .3219
564.3, .3218
564.7, .3204
565., .3182
565.3, .3174
565.6, .316
566., .3138
566.3, .3116
566.6, .3108
566.9, .3093
567.3, .3071
567.6, .3042
567.9, .3035
568.2, .3027
568.6, .3013
568.9, .2991
569.2, .2976
569.5, .2961
569.9, .2961
570.2, .2932
570.5, .2917
570.9, .291
571.2, .2888
571.5, .2873
571.9, .2858
572.2, .2843
572.5, .2836
572.9, .2814
573.2, .2792
573.5, .2785
573.9, .2777
574.2, .2762
574.5, .274
574.9, .2733
575.2, .2726
575.6, .2704
575.9, .2689
576.2, .2674
576.6, .2674
576.9, .2645
577.2, .263
577.6, .2623
577.9, .2615
578.3, .26
578.6, .2578
579., .2571
579.3, .2571
579.6, .2549
580., .2534
580.3, .252
580.7, .2505
581., .2505
581.4, .249
581.7, .2468
582.1, .2461
582.4, .2453
582.8, .2431
583.1, .2416
583.5, .2416
583.8, .2409
584.2, .2387
584.5, .2372
584.9, .2365
585.2, .2357
585.6, .2343
585.9, .2328
586.3, .2328
586.6, .2313
587., .2298
587.3, .2284
587.7, .2276
588., .2276
588.4, .2261
588.8, .2247
589.1, .2239
589.5, .2232
589.8, .2217
590.2, .2202
590.6, .2202
590.9, .2187
591.3, .2173
591.6, .2158
592., .2143
592.3, .2143
592.7, .2128
593.1, .2114
593.4, .2099
593.8, .2084
594.1, .2084
594.5, .2055
594.9, .204
595.2, .204
595.6, .2033
596., .2018
596.3, .1996
596.7, .1988
597.1, .1981
597.4, .1959
597.8, .1937
598.1, .193
598.5, .1922
598.9, .19
599.2, .1893
599.6, .1871
600., .1863
600.3, .1849
600.7, .1819
601.1, .1812
601.4, .1805
601.8, .179
602.2, .1768
602.5, .1746
602.9, .1746
603.3, .1731
603.7, .1716
604., .1687
604.4, .168
604.8, .1665
605.1, .1643
605.5, .1621
605.9, .1613
606.3, .1606
606.6, .1584
607., .1569
607.4, .1562
607.8, .1547
608.1, .1532
608.5, .1518
608.9, .1503
609.3, .1496
609.6, .1474
610., .1459
610.4, .1444
610.8, .1437
611.2, .1422
611.5, .1407
611.9, .14
612.3, .1385
612.7, .137
613.1, .1356
613.5, .1341
613.8, .1334
614.2, .1319
614.6, .1311
615., .1297
615.4, .1289
615.8, .1275
616.2, .126
616.6, .1245
617., .1245
617.3, .123
617.7, .1216
618.1, .1201
618.5, .1201
618.9, .1186
619.3, .1179
619.7, .1157
620.1, .1156
620.5, .1149
620.9, .1134
621.3, .1127
621.7, .1112
622.1, .1105
622.5, .109
622.9, .1083
623.3, .1075
623.7, .1068
624.1, .106
624.5, .1053
624.9, .1046
625.3, .1038
625.7, .1031
626.1, .1016
626.5, .1016
626.9, .1008
627.3, .1001
627.8, .0986
628.2, .0979
628.6, .0971
629., .0957
629.4, .0957
629.8, .0942
630.2, .0942
630.6, .0934
631., .0927
631.4, .0912
631.9, .0905
632.3, .0905
632.7, .0897
633.1, .089
633.5, .0882
633.9, .0875
634.4, .0875
634.8, .0867
635.2, .086
635.6, .086
636.1, .0852
636.5, .0845
636.9, .0838
637.3, .0837
637.7, .083
638.2, .0823
638.6, .0815
639., .0815
639.4, .0808
639.9, .08
640.3, .0793
640.7, .0785
641.1, .0785
641.6, .077
642., .077
642.4, .077
642.9, .0763
643.3, .0755
643.7, .0741
644.2, .074
644.6, .074
645., .0733
645.5, .0725
645.9, .0725
646.3, .0718
646.8, .071
647.2, .0703
647.6, .0703
648.1, .0695
648.5, .0695
649., .0688
649.4, .0681
649.8, .068
650.3, .068
650.7, .0666
651.2, .0665
651.6, .0665
652.1, .0651
652.5, .065
652.9, .0643
653.4, .0643
653.8, .0635
654.3, .0635
654.7, .0628
655.2, .062
655.6, .062
656.1, .0613
656.5, .0613
657., .0613
657.4, .0605
657.9, .0598
658.3, .059
658.8, .059
659.3, .059
659.7, .0583
660.2, .0575
660.6, .0575
661.1, .0575
661.5, .0567
662., .0567
662.5, .0567
662.9, .056
663.4, .0552
663.8, .0552
664.3, .0545
664.8, .0537
665.2, .0537
665.7, .0537
666.2, .053
666.6, .053
667.1, .0522
667.5, .0515
668., .0515
668.5, .0507
669., .0507
669.4, .0507
669.9, .0507
670.4, .0507
670.8, .0492
671.3, .0492
671.8, .0492
672.3, .0491
672.7, .0484
673.2, .0484
673.7, .0476
674.2, .0476
674.6, .0476
675.1, .0469
675.6, .0461
676.1, .0461
676.6, .0461
677., .0461
677.5, .0461
678., .0461
678.5, .0453
679., .0446
679.4, .0446
679.9, .0446
680.4, .0445
680.9, .0438
681.4, .0438
681.9, .0438
682.4, .043
682.9, .043
683.4, .043
683.9, .043
684.3, .0422
684.8, .0422
685.3, .0422
685.8, .0415
686.3, .0415
686.8, .0414
687.3, .0414
687.8, .0414
688.3, .0414
688.8, .0414
689.3, .0407
689.8, .0406
690.3, .0399
690.8, .0399
691.3, .0399
691.8, .0399
692.3, .0398
692.8, .0398
693.3, .0398
693.9, .0398
694.3, .0391
694.9, .039
695.4, .039
695.9, .0383
696.4, .0383
696.9, .0383
697.4, .0382