List of specified cards with unique numbers under unique name
NONTRONITE
NN
Card
Specie
Formula
Space Group
1.
3173
[1], DN
(Ca,Na,K)
0.33
[Si
3.67
Al
0.33
]Fe
2
O
10
(OH)
2
C 2/m
2.
3174
[2], DN
Na
0.33
Fe
2
[Si
3.67
Al
0.33
]O
10
(OH)
2
C 2/m