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Sulfoborite
Type Locality
Westeregeln, Egeln, Stassfurt Potash deposit, Saxony-Anhalt, Germany
Mineral Data
Mg
3
[B(OH)
4
]
2
(SO
4
)(OH,F)
2
Strunz:
6.AC.55
Physical Properties
Crystal System:
Orthorhombic Forms prismatic crystals.
Hardness:
4.0 - 4.5
Tenacity:
brittle
