Zinc silicate

Product Description

Name:Zinc orthosilicate
Synonyms:Zinc silicate 
Molecular Formula:Zn2SiO4
Molecular Weight:222.90
CAS Registry Number:68611-47-2
EINECS:271-896-0
Hemimorphite, is a sorosilicate mineral which has been mined from days of old from the upper parts of zinc and lead ores, chiefly associated with smithsonite. It was often assumed to be the same mineral and both were classed under the same name of calamine. In the second half of the 18th century it was discovered that there were two different minerals under the heading of calamine - a zinc carbonate and a zinc silicate, which often closely resembled each other.
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