List of specified cards with unique numbers under unique name
HILGARDITE
NN
Card
Specie
Formula
Space Group
1.
1973
[1]
Ca
2
B
5
O
9
Cl · H
2
O
*A a
2.
1972
[2], 3TC
Ca
2
B
5
O
9
Cl · H
2
O
P 1
3.
1975
[4], Sr
CaSr[B
5
O
9
]Cl · H
2
O
P 1
4.
1976
[5], Na, Pb, analogue
Na
0.5
Pb
2
[B
5
O
9
]Cl(OH)
0.5
P nn2