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|Name:||The name reflects its sodium content and alum, a hydrous aluminium sulfate.|
Classification of Alum-(Na)
|IMA status:||Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"|
|Strunz 8th edition ID:||6/C.14-10|
|Nickel-Strunz 10th (pending) edition ID:||7.CC.20|
7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
C : Sulfates (selenates, etc.) without additional anions, with H2O
C : With medium-sized and large cations
|Dana 8th edition ID:||22.214.171.124|
29 : HYDRATED ACID AND NORMAL SULFATES
5 : AB(XO4)2·xH2O
|Hey's CIM Ref.:||25.6.14|
25 : Sulphates
6 : Sulphates of Al and Tl
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Physical Properties of Alum-(Na)
Chemical Properties of Alum-(Na)
|Simplified for copy/paste:||NaAl(SO4)2·12H2O|
|Essential elements:||Al, H, Na, O, S|
|All elements listed in formula:||Al, H, Na, O, S|
Relationship of Alum-(Na) to other Species
|Member of:||Alum Group|
|Other Members of Group:|
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Alum-(Na)
|Health Warning:||No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.|
References for Alum-(Na)
Acta Crystallographica (1967): 22: 182.
Internet Links for Alum-(Na)
Localities for Alum-(Na)
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.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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Locality Updated: Buarcos, Figueira da Foz, Coimbra District, PortugalFrom Rui Nunes, 1st Sep 2014 13:01:46