Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Fluckite

Big Photo

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

Show Fluckite Photos (9)
Formula:
CaMnH
 
2
(AsO
 
4
)
 
2
·2H
 
2
O
System:Triclinic
Name:After Pierre Fluck, Louis Pasteur University, Strasbourg, France, who discovered the first specimen of the species.
This page provides mineralogical data about Fluckite.

Classification of Fluckite

IMA status:Approved
Strunz 8th edition ID:7/C.16-30
Nickel-Strunz 10th (pending) edition ID:8.CB.15

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:39.1.2.1

39 : HYDRATED ACID PHOSPHATES,ARSENATES AND VANADATES
1 : A[HXO4]·xH2O
Hey's CIM Ref.:20.8.13

20 : Arsenates (also arsenates with phosphate, but without other anions)
8 : Arsenates of Mn
mindat.org URL:http://www.mindat.org/min-1564.html
Please feel free to link to this page.

Type Occurrence of Fluckite

Type Locality:Gabe Gottes Mine (incl. Giftgrube), Ste Marie-aux-Mines (Markirch), Haut-Rhin, Alsace, France
Year of Discovery:1980

Crystallography of Fluckite

Crystal System:Triclinic
Cell Parameters:a = 8.45Å, b = 7.61Å, c = 6.96Å
α = 82.21°, β = 98.25°, γ = 95.86°
Ratio:a:b:c = 1.11 : 1 : 0.915
Unit Cell Volume:V 437.28 ų (Calculated from Unit Cell)

Optical Data of Fluckite

Type:Biaxial
RI values: nα = 1.618 nγ = 1.642
Maximum Birefringence:δ = 0.024

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

Chemical Properties of Fluckite

Formula:
CaMnH
 
2
(AsO
 
4
)
 
2
·2H
 
2
O
Essential elements:As, Ca, H, Mn, O
All elements listed in formula:As, Ca, H, Mn, O

Relationship of Fluckite 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.10Sainfeldite
Ca
 
5
H
 
2
(AsO
 
4
)
 
4
·4H
 
2
O
8.CB.10Villyaellenite
(Mn,Ca,Zn)
 
5
(AsO
 
4
)
 
2
[AsO
 
3
(OH)]
 
2
·4H
 
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:

- +
20.8.1Sarkinite
Mn
2+
2
[OH|AsO
 
4
]
20.8.2Eveite
Mn
2+
2
[OH|AsO
 
4
]
20.8.3Arsenoclasite
Mn
2+
5
[(OH)
 
2
|AsO
 
4
]
 
2
20.8.4Flinkite
Mn
2+
2
Mn
3+
 
AsO
 
4
(OH)
 
4
20.8.5Jarosewichite
Mn
 
3
MnAsO
 
4
(OH)
 
6
20.8.6Allactite
Mn
2+
7
(AsO
 
4
)
 
2
(OH)
 
8
20.8.7Krautite
MnHAsO
 
4
·H
 
2
O
20.8.8Synadelphite
Mn
2+
9
[(OH)
 
9
|As
3+
 
O
 
3
|(As
5+
 
O
 
4
)
 
2
] · 2H
 
2
O
20.8.9Sterlinghillite
Mn
 
3
(AsO
 
4
)
 
2
·4H
 
2
O
20.8.10Geigerite
Mn
 
5
[HAsO
 
4
|AsO
 
4
]
 
2
 · 10H
 
2
O
20.8.11Akrochordite
(Mn
2+
 
,Mg)
 
5
[(OH)
 
2
|AsO
 
4
]
 
2
 · 4H
 
2
O
20.8.12Manganohörnesite
(Mn,Mg)
 
3
(AsO
 
4
)
 
2
·8H
 
2
O
20.8.14Brandtite
Ca
 
2
(Mn
2+
 
,Mg)[AsO
 
4
]
 
2
 · 2H
 
2
O
20.8.15Parabrandtite
Ca
 
2
Mn
2+
 
[AsO
 
4
]
 
2
 · 2H
 
2
O
20.8.16Wallkilldellite-(Mn)
Ca
 
2
Mn
2+
3
[(OH)
 
2
|AsO
 
4
]
 
2
 · 9H
 
2
O
20.8.17Berzeliite
NaCa
 
2
(Mg,Mn
2+
 
)
 
2
[AsO
 
4
]
 
3
20.8.18Manganberzeliite
(Ca,Na)
 
3
(Mn
2+
 
,Mg)
 
2
[AsO
 
4
]
 
3
20.8.19Magnesiochlorophoenicite
(Mg,Mn)
 
3
Zn
 
2
(AsO
 
4
)(OH,O)
 
6
20.8.20Villyaellenite
(Mn,Ca,Zn)
 
5
(AsO
 
4
)
 
2
[AsO
 
3
(OH)]
 
2
·4H
 
2
O
20.8.21Hematolite
(Mn,Mg,Al)
 
15
(AsO
 
3
)(AsO
 
4
)
 
2
(OH)
 
23
20.8.22Grischunite
NaCa
 
2
Mn
2+
5
Fe
3+
 
[AsO
 
4
]
 
6
 · 2H
 
2
O

Other Names for Fluckite

Synonyms:
IMA1978-054
Other Languages:
German:Fluckit
Russian:Флюкит
Spanish:Fluckita

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 Fluckite

Reference List:Bari, H., C., Fabien, Permingeat, F., Pillard, F. (1980): Fluckite, a hydrated calcium manganese arsenate: CaMnH2(AsO4)2.2H2O. Bull. Minéral. 103, 122-128. (in French).

Bull. Minéral. 103: 129-134.

American Mineralogist: 65: 1066.

Articles/Blogs about Fluckite

Internet Links for Fluckite

Search Engines:
  • Look for Fluckite on Google
  • Look for Fluckite images on Google
    • External Links:
  • Look for Fluckite on Webmineral
  • Look for Fluckite on Athena Mineralogy
  • Look for Fluckite on Wikipedia
  • Look for Fluckite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Fluckite in the Natural History Museum (London) online catalogue
  • Fluckite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Buy minerals from Mineralium.com
  • Wright's Rock Shop - excellent mineral specimens since 1970
  • The Arkenstone - Fine Minerals
  • Buy Minerals and Crystals from Crystalarium.com
  • High-end worldwide specimens & outstanding customer service
  • Search for Fluckite on minvision.com
  • Lapis Mineral Magazin
  • Top quality minerals from Kristalle of California
  • Find Fluckite on www.crystalclassics.co.uk
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Rare and Unusual minerals at Mineralogical Research Company
  • Buy Fine Minerals from mineralsweb.com
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Fluckite

    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.
    These maps work faster with Firefox!
    (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)
    		Bull.Min.(1980) 103, 122-128; Bari: Lapis 6/1983
    USA
     
    • New Jersey
      • Sussex Co.
        • Franklin Mining District
          • Ogdensburg
            • Sterling Hill
    		MinRec 19:274, 18:360; The Picking Table:28(2):3; Dunn(1995):Pt5:668.
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon & Ida Ralph 1993-2008. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register.