Nifontovite
Ca
3
B
6
O
6
(OH)
12
・ 2H
2
O / Ca
4
MgB
4
O
6
(OH)
6
(CO
3
)
2
Fuka, Okayama pref., Japan
岡山県川上郡備中町布賀
A rich cluster of clear Nifontovite crystals from Fuka Mine.
