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Sobotkite
Mineral Data
(K,Ca
0.5
)
0.33
(Mg
0.66
Al
0.33
)
3
(Si
3
Al)O
10
(OH)
2
·1-5H
2
O
Variety Of:
Saponite
Physical Properties
Crystal System:
Monoclinic
Hardness:
3.0
