Mindat Logo
Home Page Log In Messageboard The Mindat Directory
Register Search Pages Mineral Chatroom The Mindat Store

Manganohörnesite

This page is currently not sponsored. Click here to sponsor this page.
Big Photo

Långban, Filipstad, Värmland, Sweden
© Knut Eldjarn

Show Manganohörnesite Photos (9)



Formula:
(Mn,Mg)
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
System:MonoclinicColour:white to colorless
Hardness:1
Member of:Vivianite Group
Name:Named by Olof Gabrielson for being the Manganese analogue of hörnesite.
Isostructural with:Vivianite Group


Vivianite Group.

Classification of Manganohörnesite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Nickel-Strunz 10th (pending) edition ID:8.CE.40

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
E : With only medium-sized cations, RO4:H2O about 1:2.5
Dana 8th edition ID:40.3.7.2

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
3 : A3(XO4)2·xH2O
Hey's CIM Ref.:20.8.12

20 : Arsenates (also arsenates with phosphate, but without other anions)
8 : Arsenates of Mn
mindat.org URL:http://www.mindat.org/min-2495.html
Please feel free to link to this page.

Type Occurrence of Manganohörnesite

Type Locality:Långban, Filipstad, Värmland, Sweden
Year of Discovery:1854
Geological Setting of type material:Fractures in manganese skarn
Associated Minerals at type locality:
SynadelphiteRhodochrositeQuartzNadorite

Occurrences of Manganohörnesite

Geological Setting:Fractures in manganese-bearing ores

Physical Properties of Manganohörnesite

Lustre:Silky
Diaphaneity (Transparency):Transparent
Comment:Because of common acicular habit
Colour:white to colorless
Streak:White
Hardness (Mohs):1
Tenacity:Flexible
Cleavage:Perfect
{01`0} perfect, poor on {100}, {201}, {201}
Density (measured):2.64 g/cm3
Density (calculated):2.76 g/cm3

Crystallography of Manganohörnesite

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:P2/m {P1 1 2/m} {P2/m} {P1 2/m 1}
Space Group Setting:P2/m
Cell Parameters:a = 10.385Å, b = 28.095Å, c = 4.774Å
β = 105.67°
Ratio:a:b:c = 0.37 : 1 : 0.17
Unit Cell Volume:V 1,341.12 ų (Calculated from Unit Cell)
Z:4
Morphology:Usually acicular
X-Ray Powder Diffraction:
d-spacingIntensity
8.19 (80)
7.01 (100)
3.25 (60)
3.09 (60)
3.02 (70)
2.88 (40)
2.72 (40)
2.41 (70)
Comments:ICDD 8-141

Optical Data of Manganohörnesite

Type:Biaxial (+)
RI values: nα = 1.579 nβ = 1.589 nγ = 1.609
2V:Measured: 65° to 70°, Calculated: 72°
Birefringence:0.030
Maximum Birefringence:δ = 0.030

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Moderate
Dispersion:very weak
Optical Extinction:Z nearly = c
Pleochroism:Not Visible

Chemical Properties of Manganohörnesite

Formula:
(Mn,Mg)
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
Essential elements:As, H, Mn, O
All elements listed in formula:As, H, Mg, Mn, O

Relationship of Manganohörnesite to other Species

Member of:Vivianite Group
Other Members of Group:

- +
Annabergite
Ni
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
Arupite
Ni
 
3
(PO
 
4
)
 
2
 · 8H
 
2
O
Babánekite
Cu
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
Barićite
(Mg,Fe)
 
3
(PO
 
4
)
 
2
 · 8H
 
2
O
Erythrite
Co
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
Hörnesite
Mg
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
Köttigite
Zn
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
Pakhomovskyite
Co
 
3
(PO
 
4
)
 
2
 · 8H
 
2
O
Parasymplesite
Fe
2+
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
Vivianite
Fe
2+
3
(PO
 
4
)
 
2
 · 8H
 
2
O
Common Associates:
KraissliteKraissliteCalciteAlleghanyiteAdelite
Related Minerals - Nickel-Strunz Grouping):

- +
8.CE.05Chudobaite
(Mg,Zn)
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 10H
 
2
O
8.CE.05Geigerite
Mn
2+
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 10H
 
2
O
8.CE.10Newberyite
Mg(HPO
 
4
) · 3H
 
2
O
8.CE.15Brassite
Mg(HAsO
 
4
) · 4H
 
2
O
8.CE.20Phosphorrösslerite
Mg(HPO
 
4
) · 7H
 
2
O
8.CE.20Rösslerite
Mg(HAsO
 
4
) · 7H
 
2
O
8.CE.25Metaswitzerite
Mn
 
3
(PO
 
4
)
 
2
 · 4H
 
2
O
8.CE.25Switzerite
(Mn,Fe)
 
3
(PO
 
4
)
 
2
 · 7H
 
2
O
8.CE.30Lindackerite
CuCu
 
4
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 8-9H
 
2
O
8.CE.30Ondrušite
CaCu
 
4
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 10H
 
2
O
8.CE.30Veselovskýite
ZnCu
 
4
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 9H
 
2
O
8.CE.30Pradetite
CoCu
 
4
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 9H
 
2
O
8.CE.30Klajite
MnCu
 
4
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 9-10H
 
2
O
8.CE.35Bobierrite
Mg
 
3
(PO
 
4
)
 
2
 · 8H
 
2
O
8.CE.40Annabergite
Ni
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
8.CE.40Arupite
Ni
 
3
(PO
 
4
)
 
2
 · 8H
 
2
O
8.CE.40Barićite
(Mg,Fe)
 
3
(PO
 
4
)
 
2
 · 8H
 
2
O
8.CE.40Erythrite
Co
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
8.CE.40Ferrisymplesite
Fe
3+
3
(AsO
 
4
)
 
2
(OH)
 
3
 · 5H
 
2
O
8.CE.40Hörnesite
Mg
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
8.CE.40Köttigite
Zn
 
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
8.CE.40Parasymplesite
Fe
2+
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
8.CE.40Vivianite
Fe
2+
3
(PO
 
4
)
 
2
 · 8H
 
2
O
8.CE.40Pakhomovskyite
Co
 
3
(PO
 
4
)
 
2
 · 8H
 
2
O
8.CE.45Symplesite
Fe
2+
3
(AsO
 
4
)
 
2
 · 8H
 
2
O
8.CE.50Cattiite
Mg
 
3
(PO
 
4
)
 
2
 · 22H
 
2
O
8.CE.55Koninckite
Fe
3+
 
PO
 
4
 · 3H
 
2
O
8.CE.60Kaňkite
FeAsO
 
4
 · 3.5H
 
2
O
8.CE.65Steigerite
Al(VO
 
4
) · 3H
 
2
O
8.CE.70Metaschoderite
Al
 
2
(PO
 
4
)(VO
 
4
) · 6H
 
2
O
8.CE.70Schoderite
Al
 
2
(PO
 
4
)(VO
 
4
) · 8H
 
2
O
8.CE.75Malhmoodite
FeZr(PO
 
4
)
 
2
 · 4H
 
2
O
8.CE.75Zigrasite
MgZr(PO
 
4
)
 
2
 · 4H
 
2
O
8.CE.75Unnamed (Ca-analogue of Zigrasite)
CaZr[PO
 
4
]
 
2
 · 4H
 
2
O
8.CE.80Santabarbaraite
Fe
3+
3
(PO
 
4
)
 
2
(OH)
 
3
 · 5H
 
2
O
8.CE.85Metaköttigite
(Zn,Fe,Fe)
 
3
(AsO
 
4
)
 
2
 · 8(H
 
2
O,OH)
Related Minerals - Hey's Index Grouping:

- +
20.8.1Sarkinite
Mn
2+
2
(AsO
 
4
)(OH)
20.8.2Eveite
Mn
2+
2
(AsO
 
4
)(OH)
20.8.3Arsenoclasite
Mn
2+
5
(AsO
 
4
)
 
2
(OH)
 
4
20.8.4Flinkite
Mn
2+
2
Mn
3+
 
(AsO
 
4
)(OH)
 
4
20.8.5Jarosewichite
Mn
2+
3
Mn
3+
 
(AsO
 
4
)(OH)
 
6
20.8.6Allactite
Mn
2+
7
(AsO
 
4
)
 
2
(OH)
 
8
20.8.7Krautite
Mn(HAsO
 
4
) · H
 
2
O
20.8.8Synadelphite
Mn
2+
9
(As
5+
 
O
 
4
)
 
2
(As
3+
 
O
 
3
)(OH)
 
9
 · 2H
 
2
O
20.8.9Sterlinghillite
Mn
 
3
(AsO
 
4
)
 
2
 · 4H
 
2
O
20.8.10Geigerite
Mn
2+
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 10H
 
2
O
20.8.11Akrochordite
(Mn
2+
 
,Mg)
 
5
(AsO
 
4
)
 
2
(OH)
 
4
 · 4H
 
2
O
20.8.13Fluckite
CaMn
2+
 
(HAsO
 
4
)
 
2
 · 2H
 
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
(AsO
 
4
)
 
2
(OH)
 
4
 · 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
MnMn
 
2
Ca
 
2
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
 · 4H
 
2
O
20.8.21Hematolite
(Mn,Mg,Al)
 
15
(As
5+
 
O
 
4
)
 
2
(As
3+
 
O
 
3
)(OH)
 
23
20.8.22Grischunite
NaCa
 
2
Mn
2+
5
Fe
3+
 
(AsO
 
4
)
 
6
 · 2H
 
2
O

Other Names for Manganohörnesite

Synonyms:
Manganese-hörnesite
Other Languages:
German:Manganhörnesit

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 Manganohörnesite

Reference List:

- +
Gabrielson, O. (1951): Manganiferous hoernesite and manganese-hoernesite from Långban, Sweden, Arkiv för Mineralogi och Geologi, 1, 333-337.

American Mineralogist (1954): 39: 159.

Internet Links for Manganohörnesite

Search Engines:
  • Look for Manganohörnesite on Google
  • Look for Manganohörnesite images on Google
    • External Links:
  • Look for Manganohörnesite on Webmineral
  • Look for Manganohörnesite on Athena Mineralogy
  • Look for Manganohörnesite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
    • Mineral Dealers:
  • Search for - Manganohörnesite - on e-Rocks Mineral Sales & Auctions
  • Manganohörnesite specimens for sale - minfind.com
  • Buy minerals from YourMineralCollection
  • webminerals
  • Top quality minerals from Kristalle of California
  • Buy from David K Joyce minerals
  • Wilensky Fine Minerals
  • High-end worldwide specimens & outstanding customer service
  • Rare and Unusual minerals at Mineralogical Research Company
  • Search for minerals at Heliodor
  • Buy fine minerals and gemstones from Pala International
  • The Arkenstone - Fine Minerals
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Manganohörnesite

    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.
    Hide Locality List
    (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.
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Schenkenzell
    		Walenta, K. (2001): Neue Mineralfunde aus dem Schwarzwald. 8. Folge, 1. Teil. Lapis, 26 (2), 39-42.
    Sweden
     
    • Värmland
      • Filipstad
    		Arkiv Min.Geol.(1951) 1, 333-337; Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
    No reference listed
        • Persberg district
          • Pajsberg
    		Nysten, P. (2004): Harstigen ett mineralogisk eldorado i Bergslagen. Norsk Bergverksmuseum Skrift 28: 5-13
    Switzerland
     
    • Wallis (Valais)
      • Turtmann Valley
        • Pipjitälli
    		Ansermet, S. (2012): Mines et minéraux du Valais - II. Anniviers et Tourtemagne. With contributions by N. Meisser, Ed. Porte-plumes (Ayer)
    USA
     
    • New Jersey
      • Sussex Co.
        • Franklin Mining District
          • Ogdensburg
            • Sterling Hill
    		Parker, F. J. & Troy, J.: Min.Rec.:13:35-38 (1982); Dunn(1995):Pt5:673.
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2013. 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. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 8th May 2013 03:52:03
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds