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Group of metal-Be-S-silicates with the above general formula, where M = divalent Fe, Mn or Zn. Tugtupite has one Be replaced by Aluminum and one Be replaced by Si
May be considered a subgroup of the Sodalite Group.
Classification of Helvine Group
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Chemical Properties of Helvine Group
Relationship of Helvine Group to other Species
|Health Warning:||No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.|
Internet Links for Helvine Group
Localities for Helvine Group
The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.