Obrázek 78-30. Práškový RTG difrakční záznam vivianitu pro Co záření. Modelováno programem WinXpow.

Polohy a intenzity difrakčních maxim od strukturních rovin vivianitu, podle standardu databáze JCPDS pro Co záření.
| D | 2Theta | I(rel) |
H K L |
| 7,930 | 12,95 | 13 | 1 1 0 |
| 6,730 | 15,28 | 100 | 0 2 0 |
| 4,900 | 21,04 | 12 | 2 0 0 |
| 4,558 | 22,63 | 5 | -1 0 1 |
| 4,341 | 23,78 | 2 | 0 1 1 |
| 4,081 | 25,32 | 12 | 1 3 0 |
| 3,849 | 26,88 | 7 | 1 0 1 |
| 3,768 | 27,47 | 1 | -1 2 1 |
| 3,361 | 30,87 | 1 | 0 4 0 |
| 3,343 | 31,04 | 2 | 1 2 1 |
| 3,210 | 32,36 | 16 | 0 3 1 |
| 2,985 | 34,87 | 10 | -3 0 1 |
| 2,960 | 35,18 | 8 | 2 1 1 |
| 2,770 | 37,68 | 4 | -2 4 0 |
| 2,728 | 38,28 | 9 | -3 2 1 |
| 2,706 | 38,61 | 9 | -1 4 1 |
| 2,637 | 39,66 | 6 | 3 3 0 |
| 2,593 | 40,36 | 4 | -1 5 0 |
| 2,530 | 41,41 | 8 | 1 4 1 |
| 2,514 | 41,69 | 3 | 2 3 1 |
| 2,448 | 42,86 | 1 | 4 0 0 |
| 2,421 | 43,37 | 6 | 3 0 1 |
| 2,321 | 45,34 | 7 | 0 5 1 |
| 2,296 | 45,86 | 1 | 0 0 2 |
| 2,279 | 46,22 | 1 | 3 2 1 |
| 2,233 | 47,23 | 5 | -3 4 1 |
| 2,194 | 48,12 | 5 | -2 5 1 |
| 2,173 | 48,62 | 2 | 0 2 2 |
| 2,108 | 50,22 | 1 | 1 1 2 |
| 2,075 | 51,07 | 4 | -3 5 0 |
| 2,039 | 52,04 | 1 | 2 6 0 |
| 2,012 | 52,79 | 2 | -1 6 1 |
| 1,964 | 54,19 | 2 | 3 4 1 |
| 1,936 | 55,04 | 2 | 1 6 1 |
| 1,886 | 56,62 | 2 | 1 7 0 |
| 1,816 | 59,02 | 2 | 4 3 1 |
| 1,793 | 59,85 | 1 | -3 6 1 |
| 1,786 | 60,11 | 3 | -4 5 1 |
| 1,772 | 60,63 | 2 | 0 7 1 |
| 1,681 | 64,30 | 6 | 0 8 0 |
| 1,660 | 65,21 | 2 | -3 5 2 |
| 1,597 | 68,11 | 3 | 3 3 2 |
| 1,583 | 68,79 | 4 | 5 5 0 |
| 1,540 | 71,00 | 1 | 1 8 1 |