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Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn Valley, Wallis (Valais), Switzerland
© Chinellato Matteo
|A = Cd, Hg, Zn; X = S, Se, Te|
The diamond structure has two interpenetrating cubic close packed carbon lattices. Each atom of theses lattices is tetrahedrally coordinated by 4 atoms of the other lattice. If one of these lattices is replaced by cations (A) and the other replaced by anions (X), where X = S, Se, Te we get the sphalerite group.
Although the members can be lab grown as solution series, geochemical segregation usually gives fairly pure end members.
Compare Wurtzite Group.
Classification of Sphalerite Group
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Crystallography of Sphalerite Group
|Class (H-M):||4 3m - Hextetrahedral|
|Morphology:||Composite and twinned xls are common|
Chemical Properties of Sphalerite Group
A = Cd, Hg, Zn; X = S, Se, Te
Relationship of Sphalerite 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 Sphalerite Group
Localities for Sphalerite 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.