Table T6. Principal wavelengths and corresponding °2 of the mineral peaks identified.

d (Å)	CuK (°2)
Paragonite:
9.67	9.14
3.21	27.72
2.7	33.14
2.18	41.38
1.93	47.02
Wairakite:
5.56	15.96
3.39	26.32
Scapolite:
3.87	23.02
3.47	25.68
2.07	43.72
Montmorillonite:
13.6	6.48
4.46	19.88
2.56	35.06
1.69	54.24
Saponite:
15.4	5.76
4.6	19.3
3.13	28.5
2.64	33.96
2.56	35.06
1.74	52.58
1.54	60.08

Note: d = spacing between principal crystallographic planes in Å.