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Sainfeldite

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

Show Sainfeldite Photos (13)
Formula:
Ca
 
5
H
 
2
(AsO
 
4
)
 
4
·4H
 
2
O
System:MonoclinicColour:Colourless, pale pink
Hardness:4
Name:Named after Paul Sainfeld, geologist who found the mineral.
This page provides mineralogical data about Sainfeldite.

Classification of Sainfeldite

IMA status:Approved
Strunz 8th edition ID:7/C.04-20
Nickel-Strunz 10th (pending) edition ID:8.CB.10

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
B : With only medium-sized cations, RO4:H2O = 1:1
Dana 8th edition ID:39.2.1.2

39 : HYDRATED ACID PHOSPHATES,ARSENATES AND VANADATES
2 : (AB)5[HXO4]2[XO4]2.xH2O
Hey's CIM Ref.:20.2.9

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 Sainfeldite

Type Locality:Gabe Gottes Mine (incl. Giftgrube), Ste Marie-aux-Mines (Markirch), Haut-Rhin, Alsace, France
Year of Discovery:1964

Physical Properties of Sainfeldite

Lustre:Vitreous
Diaphaneity (Transparency):Transparent
Colour:Colourless, pale pink
Streak:White
Hardness (Mohs):4

Crystallography of Sainfeldite

Crystal System:Monoclinic

Optical Data of Sainfeldite

Type:Biaxial (-)
RI values: nα = 1.600 nβ = 1.610 nγ = 1.616
2V:Measured: 80° , Calculated: 74°
Maximum Birefringence:δ = 0.016

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:r < v weak

Chemical Properties of Sainfeldite

Formula:
Ca
 
5
H
 
2
(AsO
 
4
)
 
4
·4H
 
2
O
Essential elements:As, Ca, H, O
All elements listed in formula:As, Ca, H, O
Common Impurities:Co

Relationship of Sainfeldite to other Species

Related Minerals - Nickel-Strunz Grouping):
8.CB.05Serrabrancaite
MnPO
 
4
·H
 
2
O
8.CB.10Hureaulite
(Mn,Fe)
 
5
H
 
2
(PO
 
4
)
 
4
·4H
 
2
O
8.CB.10Irhtemite
Ca
 
4
Mg[(HAsO
 
4
)
 
2
|(AsO
 
4
)
 
2
] · 4H
 
2
O
8.CB.10Villyaellenite
(Mn,Ca,Zn)
 
5
(AsO
 
4
)
 
2
[AsO
 
3
(OH)]
 
2
·4H
 
2
O
8.CB.15Fluckite
CaMnH
 
2
(AsO
 
4
)
 
2
·2H
 
2
O
8.CB.15Krautite
MnHAsO
 
4
·H
 
2
O
8.CB.20Cobaltkoritnigite
(Co,Zn)[HAsO
 
4
] · H
 
2
O
8.CB.20Koritnigite
Zn[HAsO
 
4
] · H
 
2
O
8.CB.25Yvonite
Cu[HAsO
 
4
] · 2H
 
2
O
8.CB.30Geminite
Cu
 
2
[As
 
2
O
 
7
] · 3H
 
2
O
8.CB.35Schubnelite
Fe
 
2-x
V
 
2
O
 
4
(OH)
 
4
8.CB.40Radovanite
Cu
 
2
Fe
3+
 
[(As
3+
 
O
 
2
(OH)]
 
2
[As
5+
 
O
 
4
]·H
 
2
O
8.CB.45Kazakhstanite
Fe
 
5
V
 
3
V
 
12
O
 
39
(OH)
 
9
·9H
 
2
O
8.CB.50Kolovratite
(Zn,Ni,Cu)
 
2-5
Al
 
4-6
(Si,V
4+
 
,V
5+
 
)
 
4
(O,OH)
 
20
·7.5H
 
2
O
Related Minerals - Hey's Index Grouping:
20.2.1Bearsite
Be
 
2
[OH|AsO
 
4
] · 4H
 
2
O
20.2.2Brassite
MgHAsO
 
4
·4H
 
2
O
20.2.3Rösslerite
MgHAsO
 
4
·7H
 
2
O
20.2.4Hörnesite
Mg
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
20.2.5Weilite
CaHAsO
 
4
20.2.6Johnbaumite
Ca
 
5
[OH|(AsO
 
4
)
 
3
]
20.2.7Haidingerite
Ca[HAsO
 
4
] · H
 
2
O
20.2.8Pharmacolite
CaHAsO
 
4
·2H
 
2
O
20.2.10Vladimirite
Ca
 
5
[(HAsO
 
4
)
 
2
|(AsO
 
4
)
 
2
] · 5H
 
2
O
20.2.11Guérinite
Ca
 
5
[(HAsO
 
4
)
 
2
|(AsO
 
4
)
 
2
] · 9H
 
2
O
20.2.12Ferrarisite
Ca
 
5
[(HAsO
 
4
)
 
2
|(AsO
 
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
[(HAsO
 
4
)
 
4
|AsO
 
4
] · 4H
 
2
O
20.2.16Bergslagite
CaBe[OH|AsO
 
4
]
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[(HAsO
 
4
)
 
2
|(AsO
 
4
)
 
2
] · 4H
 
2
O
20.2.20Camgasite
CaMg[OH|AsO
 
4
] · 5H
 
2
O
20.2.21Picropharmacolite
Ca
 
4
Mg[(HAsO
 
4
)
 
2
|(AsO
 
4
)
 
2
] · 11H
 
2
O
20.2.22Bariopharmacosiderite
BaFe
3+
4
[(OH)
 
5
|(AsO
 
4
)
 
3
] · 5H
 
2
O

Other Names for Sainfeldite

Synonyms:
IMA1963-018
German names:
Sainfeldit
Russian names:
Сенфельдит
Spanish names:
Sainfeldita

Other Information

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 Sainfeldite

Reference List:American Mineralogist (1965): 50: 806.

Bulletin de Mineralogie: 95: 33-41.

Internet Links for Sainfeldite

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

    Hide Locality List
    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.
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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.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Krušné Hory Mts (Erzgebirge)
          • Ostrov
    		Lapis 2002(7/8), 63-65
    France
     
    • Alsace
      • Haut-Rhin
        • Ste Marie-aux-Mines (Markirch)
    		Wittern, Journée: "Mineralien finden in den Vogesen", von Loga (Cologne), 1997
    Pierrot: Bull. Soc. Franc. Min. Cristallog. 87 (1964)
    • Languedoc-Roussillon
      • Aude
        • Carcassonne
          • Mas-Cabardès
    		Pelison P., Descouens D. (1987), Présence de minéraux de néoformation dans les scories de l'ancienne usine de Villagnère (Aude), Le Cahier des Micromonteurs, n°2, pp: 6-10
    • 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
    		Carsten Slotta collection
            • Böckelsbach valley
    		Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
            • Burgfelsen
    		No reference listed
            • Heubach Valley
    		No reference listed
        • Wolfach
          • Oberwolfach
            • Rankach valley
    		Kolitsch, U. & Götzinger, M. (2000): Einige Neufunde aus der Grube Clara im mittleren Schwarzwald: Eulytin, Namibit, Volborthit, Gearksutit, Spertiniit, Monazit-(La), Protasit, Sainfeldit, Cyanotrichit und Vauquelinit. Erzgräber 14, 33-47. (in German)
    • Hesse
      • North Hesse
        • Richelsdorf District
          • Bauhaus
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
          • Süss
            • Richelsdorf Smelter
    		S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1992
    • Saxony-Anhalt
      • Harz Mts
        • Wernigerode
          • Hasserode
    		Wittern: "Mineralfundorte in Deutschland", 2001
    • Saxony
      • Erzgebirge
        • Schneeberg District
          • Neustädtel
    		Lapis 30(7/8):41-70 (2005)
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District Mines
          • Plaka
            • Plaka Mines
    		No reference listed
    No reference listed
    Morocco
     
    • Souss-Massa-Draâ Region
      • Ouarzazate Province
        • Tazenakht
          • Bou Azzer District
            • Aghbar
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
            • Bou Azzer
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
    Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
    Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
            • Ightem
    		Favreau, G. and Dietrich, J. E. (2006). Die Mineralien von Bou Azzer. Lapis 31(7/8), 27-68
    USA
     
    • Michigan
      • Keweenaw Co.
        • Mohawk
    		www.excaliburmineral.com/mins-z.htm
    Mineral and/or Locality
    Google
     
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