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Ferrarisite

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Gabe Gottes Mine (incl. Giftgrube), Ste Marie-aux-Mines (Markirch), Haut-Rhin, Alsace, France
© 2007, JGW

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Formula:
Ca
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 9H
 
2
O
System:TriclinicColour:Colorless to white
Name:
Named in honour of professor Giovanni Ferraris (1937- ), Institute of Mineralogy, Crystallography and Geochemistry, University of Turin, Italy, who worked on crystal structure of several arsenate minerals from Sainte-Marie-aux-Mines, France.
Dimorph of:Guérinite
This page provides mineralogical data about Ferrarisite.

Classification of Ferrarisite

IMA status:Approved
Strunz 8th edition ID:7/C.24-50
Nickel-Strunz 10th (pending) edition ID:8.CJ.30

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
J : With only large cations
Dana 8th edition ID:39.2.3.1

39 : HYDRATED ACID PHOSPHATES,ARSENATES AND VANADATES
2 : (AB)5[HXO4]2[XO4]2.xH2O
Hey's CIM Ref.:20.2.12

20 : Arsenates (also arsenates with phosphate, but without other anions)
2 : Arsenates of Be, Mg, Ca or Ba
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Type Occurrence of Ferrarisite

Type Locality:Gabe Gottes Mine (incl. Giftgrube), Ste Marie-aux-Mines (Markirch), Haut-Rhin, Alsace, France
General Appearance of Type Material:White radiating very elongated crystals.
Year of Discovery:1980
Geological Setting of type material:Oxidized vein assemblages in arsenic-rich mines
Associated Minerals at type locality:
RauenthalitePicropharmacolite

Physical Properties of Ferrarisite

Lustre:Sub-Vitreous, Silky
Diaphaneity (Transparency):Transparent, Translucent
Colour:Colorless to white
Comment:White mineral may be dehydrated to unspecified minerals
Streak:White
Tenacity:Brittle
Cleavage:Perfect
{001} perfect
Density (measured):2.63 g/cm3
Density (calculated):2.60 g/cm3

Crystallography of Ferrarisite

Crystal System:Triclinic
Class (H-M):1 - Pinacoidal
Space Group:P1
Space Group Setting:P1
Cell Parameters:a = 8.294Å, b = 6.722Å, c = 11.198Å
α = 106.16°, β = 92.94°, γ = 99.20°
Ratio:a:b:c = 1.234 : 1 : 1.666
Unit Cell Volume:V 588.90 ų (Calculated from Unit Cell)
Z:1
Comment:Bull Min. (1980): 103:541 structure
X-Ray Powder Diffraction:
d-spacingIntensity
10.8 (100)
6.34 (30)
5.36 (30)
4.73 (30)
4.07 (40)
3.57 (40)
3.17 (80)
2.83 (90)
Comments:ICDD 33-280

Optical Data of Ferrarisite

Type:Biaxial (+)
RI values: nα = 1.562 nβ = 1.572 nγ = 1.585
2V:Measured: 83° , Calculated: 84°
Birefringence:0.023
Maximum Birefringence:δ = 0.023

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Low
Dispersion:strong
Optical Extinction:X ^ c = 8°-17°; Z perpendicular to {110}
Pleochroism:Non-pleochroic

Chemical Properties of Ferrarisite

Formula:
Ca
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 9H
 
2
O
Essential elements:As, Ca, H, O
All elements listed in formula:As, Ca, H, O
Analytical Data:Soluble in dilute HCl
Relationship of Ferrarisite to other Species
Related Minerals - Nickel-Strunz Grouping):

- + 
8.CJ.05Stercorite
Na(NH
 
4
)HPO
 
4
 · 4H
 
2
O
8.CJ.10Mundrabillaite
(NH
 
4
)
 
2
Ca(HPO
 
4
)
 
2
 · H
 
2
O
8.CJ.10Swaknoite
(NH
 
4
)
 
2
Ca(HPO
 
4
)
 
2
 · H
 
2
O
8.CJ.15Nabaphite
NaBaPO
 
4
 · 9H
 
2
O
8.CJ.15Nastrophite
Na(Sr,Ba)PO
 
4
 · 9H
 
2
O
8.CJ.20Haidingerite
CaHAsO
 
4
 · H
 
2
O
8.CJ.25Vladimirite
Ca
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 5H
 
2
O
8.CJ.35Machatschkiite
(Ca,Na)
 
6
(AsO
 
4
)(HAsO
 
4
)
 
3
(PO
 
4
,SO
 
4
) · 15H
 
2
O
8.CJ.40Phaunouxite
Ca
 
3
(AsO
 
4
)
 
2
 · 11H
 
2
O
8.CJ.40Rauenthalite
Ca
 
3
(AsO
 
4
)
 
2
 · 10H
 
2
O
8.CJ.45Brockite
(Ca,Th,Ce)PO
 
4
 · H
 
2
O
8.CJ.45Grayite
(Th,Pb,Ca)(PO
 
4
) · H
 
2
O
8.CJ.45Rhabdophane-(Ce)
(Ce,La)(PO
 
4
) · H
 
2
O
8.CJ.45Rhabdophane-(La)
(La,Ce)(PO
 
4
) · H
 
2
O
8.CJ.45Rhabdophane-(Nd)
(Nd,Ce,La)(PO
 
4
) · H
 
2
O
8.CJ.45Tristramite
(Ca,U,Fe)(PO
 
4
,SO
 
4
) · 2H
 
2
O
8.CJ.45UM1997-20-AsO:HU
U
4+
 
(HAsO
 
4
)
 
2
 · 4H
 
2
O
8.CJ.45Smirnovskite
ThCa(PO
 
4
)
 
2
  · nH
 
2
O
8.CJ.50Ardealite
Ca
 
2
(HPO
 
4
)(SO
 
4
) · 4H
 
2
O
8.CJ.50Brushite
Ca(HPO
 
4
) · 2H
 
2
O
8.CJ.50Churchite-(Y)
Y(PO
 
4
) · 2H
 
2
O
8.CJ.50Pharmacolite
Ca(HAsO
 
4
) · 2H
 
2
O
8.CJ.50Churchite-(Nd)
Nd(PO
 
4
) · 2H
 
2
O
8.CJ.55Mcnearite
NaCa
 
5
(AsO
 
4
)(HAsO
 
4
)
 
4
 · 4H
 
2
O
8.CJ.60Dorfmanite
Na
 
2
HPO
 
4
 · 2H
 
2
O
8.CJ.65Sincosite
Ca(VO)
 
2
(PO
 
4
)
 
2
 · 5H
 
2
O
8.CJ.65Bariosincosite
Ba(VO)
 
2
(PO
 
4
)
 
2
 · 4H
 
2
O
8.CJ.70Catalanoite
Na
 
2
(HPO
 
4
) · 8H
 
2
O
8.CJ.75Guérinite
Ca
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 9H
 
2
O
8.CJ.85Ningyoite
CaU(PO
 
4
)
 
2
 · 1-2H
 
2
O
Related Minerals - Hey's Index Grouping:

- + 
20.2.1Bearsite
Be
 
2
(AsO
 
4
)(OH) · 4H
 
2
O
20.2.2Brassite
Mg(HAsO
 
4
) · 4H
 
2
O
20.2.3Rösslerite
Mg(HAsO
 
4
) · 7H
 
2
O
20.2.4Hörnesite
Mg
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
20.2.5Weilite
Ca(HAsO
 
4
)
20.2.6Johnbaumite
Ca
 
5
(AsO
 
4
)
 
3
OH
20.2.7Haidingerite
CaHAsO
 
4
 · H
 
2
O
20.2.8Pharmacolite
Ca(HAsO
 
4
) · 2H
 
2
O
20.2.9Sainfeldite
CaCa
 
2
Ca
 
2
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 4H
 
2
O
20.2.10Vladimirite
Ca
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 5H
 
2
O
20.2.11Guérinite
Ca
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 9H
 
2
O
20.2.13Rauenthalite
Ca
 
3
(AsO
 
4
)
 
2
 · 10H
 
2
O
20.2.14Phaunouxite
Ca
 
3
(AsO
 
4
)
 
2
 · 11H
 
2
O
20.2.15Mcnearite
NaCa
 
5
(AsO
 
4
)(HAsO
 
4
)
 
4
 · 4H
 
2
O
20.2.16Bergslagite
CaBeAsO
 
4
(OH)
20.2.17Adelite
CaMg(AsO
 
4
)(OH)
20.2.18Talmessite
Ca
 
2
Mg(AsO
 
4
)
 
2
 · 2H
 
2
O
20.2.19Irhtemite
Ca
 
4
Mg(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 4H
 
2
O
20.2.20Camgasite
CaMg(AsO
 
4
)(OH) · 5H
 
2
O
20.2.21Picropharmacolite
Ca
 
4
Mg(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 11H
 
2
O
20.2.22Bariopharmacosiderite
Ba
 
0.5
Fe
3+
4
(AsO
 
4
)
 
3
(OH)
 
4
 · 5H
 
2
O
Other Names for Ferrarisite
Synonyms:
IMA1979-020
Other Languages:
German:Ferrarisit
Russian:Феррарисит
Spanish:Ferrarisita
Other Information
Fluorescence in UV light:Not fluorescent.
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 Ferrarisite
Reference List:

- + 
American Mineralogist (1981): 66: 637.

Bulletin de Mineralogie (1980): 103: 533-540.

Bulletin de Mineralogie (1980): 103: 541-546, structure.


Internet Links for Ferrarisite
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  • Raman and XRD data at RRUFF project
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  • Ferrarisite details from Handbook of Mineralogy (PDF)
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    • Localities for Ferrarisite
    






    


    

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the  symbol to view information about a locality. 
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    (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.

    France
     
    

    • Alsace
    

      • Haut-Rhin
    

        • Ste Marie-aux-Mines (Markirch)
    
    		Bull.Soc.frMin.Crist.(1980) 103, 533-540; Bari: Lapis 6/1983
    

    • Provence-Alpes-Côte d'Azur
    

      • Alpes-Maritimes
    

        • Duranus
    
    		Perroud, P. (1989). "Les minéraux de Duranus." Le Cristallier Suisse, 8(5),pp:216-230
    Germany
     
    

    • Baden-Württemberg
    

      • Black Forest
    

        • Schenkenzell
    

          • Wittichen
    

            • Burgfelsen
    
    		No reference listed
    





            • Heubach Valley
    
    		K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
    

    • Bavaria
    

      • Franconia
    

        • Spessart Mts
    

          • Hösbach
    

            • Sailauf
    

              • Hartkoppe Mt.
    
    		see locality page
    

    • Hesse
    

      • Richelsdorf District
    

        • Bauhaus
    
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    



        • Süss
    

          • Richelsdorf Smelter
    
    		S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1992
    

    • North Rhine-Westphalia
    

      • Sauerland
    

        • Meschede
    

          • Ramsbeck
    
    		No reference listed
    Switzerland
     
    

    • Wallis (Valais)
    

      • Anniviers Valley
    

        • Ayer
    
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 161.
    

    


    

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