List of specified cards with unique numbers under unique name
TOURMALINE
NN
Card
Specie
Formula
Space Group
1.
4821
[1], t-tourmaline
(Na,Ca)Mg
3
Al
6
B
3
Si
6
O
27
(OH)
4
R 3m
2.
4822
[2], t-tourmaline, V
(Na,Ca,Mg)(Mg,V,Cr,Fe)
3
Al
6
Si
6
B
3
O
27
(O,OH,F)
4
R 3m