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|Hardness:||3 - 4|
|Name:||Named in recognition of Glyn Francis's (b. 1939) contribution to the understanding and preservation of the minerals of the Iron Monarch ore body. Glyn was Quality Control Officer at Iron Monarch and produced a book on the deposit in 2010.|
This page provides mineralogical data about Francisite.
Classification of Francisite
|Strunz 8th edition ID:||4/K.10-50|
|Nickel-Strunz 10th (pending) edition ID:||4.JG.25|
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
J : Arsenites, antimonites, bismuthites, sulfites, selenites, tellurites; iodates
G : Selenites with additional anions, without H2O
|Dana 8th edition ID:||18.104.22.168|
34 : SELENITES, TELLURITES AND SULFITES
6 : Anhydrous Selenites, Tellurites and Sulfites containing Hydroxyl or Halogen
|Hey's CIM Ref.:||28.1.3|
28 : Selenites, Selenates, Tellurites, and Tellurates
1 : Selenites
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Type Occurrence of Francisite
|Type Locality:||Iron Monarch open cut, Iron Knob, Middleback Range, Eyre Peninsula, South Australia, Australia|
|Year of Discovery:||1990|
Physical Properties of Francisite
|Hardness (Mohs):||3 - 4|
Crystallography of Francisite
|Cell Parameters:||a = 6.35Å, b = 9.63Å, c = 7.22Å|
|Ratio:||a:b:c = 0.659 : 1 : 0.75|
|Unit Cell Volume:||V 441.51 Å³ (Calculated from Unit Cell)|
Chemical Properties of Francisite
|Essential elements:||Bi, Cl, Cu, O, Se|
|All elements listed in formula:||Bi, Cl, Cu, O, Se|
Relationship of Francisite to other Species
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Francisite
|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 Francisite
American Mineralogist: 75: 1421-1425.
Internet Links for Francisite
Localities for Francisite
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: Huachocolpa District, Huancavelica Province, Huancavelica Department, PeruFrom Uwe Kolitsch, 19th Jun 2013 07:49:58