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Ganterite
Type Locality
Isenwegg, Wasen Alp, Ganter valley, Simplon pass area, Brig, Wallis (Valais), Switzerland
Mineral Data
(Ba,Na,K)(Al,Mg)
2
(AlSi
3
O
10
)(OH)
2
Strunz:
9.EC.15
Physical Properties
Streak:
white
Hardness:
4.0 - 4.5
Tenacity:
elastic
