Magnesium FluorosilicatePhysical chemistry properties: white
rhombus or acicular crystal, odorless. Its density is 1.788,
melting point is 120°C, may lose crystallize water by
efflorescence, soluble in water, thin acid, insoluble alcohol thin
soluble in silicofluoride. Its water solution appears acidity it
can produce fluoride and silicon dioxide with alkali, poisonous.
Specification: MgSiF6-6H2O 98.5% min MgSO4-7H2O 0.5% max H2SiF6
0.2% max H2O 0.6% max Water insoluble substance 0.25% max
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