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

Meixnerite

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

Zeilberg Quarry, Maroldsweisach, Franconia, Bavaria, Germany
© Thomas Witzke




Formula:
Mg
 
6
Al
 
2
(OH)
 
18
 · 4H
 
2
O
System:TrigonalHardness:2
Name:
Named in honour of Professor Heinrich Hermann Meixner (1908–1981), Austrian mineralogist, University of Salzburg, Salzburg, Austria.


Easily confused with hydrotalcite.

Classification of Meixnerite

IMA status:Approved
Strunz 8th edition ID:4/F.05-10
Strunz 9th edition ID:4.FL.05
Nickel-Strunz 10th (pending) edition ID:4.FL.05

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
L : Hydroxides with H2O +- (OH); sheets of edge-sharing octahedra
Dana 8th edition ID:6.4.6.1

6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
4 : Miscellaneous
Hey's CIM Ref.:7.4.10

7 : Oxides and Hydroxides
4 : Oxides of Be, Mg and the alkaline earths
mindat.org URL:http://www.mindat.org/min-2628.html
Please feel free to link to this page.

Type Occurrence of Meixnerite

Type Locality:"In der Gleisen" Quarry, Nöchling, Waldviertel, Lower Austria, Austria
Year of Discovery:1975

Physical Properties of Meixnerite

Hardness (Mohs):2

Crystallography of Meixnerite

Crystal System:Trigonal
Class (H-M):3m (3 2/m) - Hexagonal Scalenohedral
Space Group:R3m {R3 2/m}
Cell Parameters:a = 3.046(2) Å, c = 22.93(2) Å
Ratio:a:c = 1 : 7.528
Unit Cell Volume:V 184.24 ų (Calculated from Unit Cell)
Comment:Z = 3/8
X-Ray Powder Diffraction:
d-spacingIntensity
7.64 (55)
3.82 (72)
2.57 (64)
2.287 (70)
1.94 (100)
1.52 (75)
1.494 (57)

Optical Data of Meixnerite

Type:Uniaxial (-)
RI values: nω = 1.517 nε = 1.500
Maximum Birefringence:δ = 0.017

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

Chemical Properties of Meixnerite

Formula:
Mg
 
6
Al
 
2
(OH)
 
18
 · 4H
 
2
O
Essential elements:Al, H, Mg, O
All elements listed in formula:Al, H, Mg, O

Relationship of Meixnerite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.FL.05Woodallite
Mg
 
6
Cr
 
2
(OH)
 
16
Cl
 
2
 · 4H
 
2
O
4.FL.05Iowaite
Mg
 
6
Fe
3+
2
(OH)
 
16
Cl
 
2
 · 4H
 
2
O
4.FL.05Jamborite
(Ni
2+
 
,Ni
3+
 
,Co,Fe)(OH)
 
2
(OH,S,H
 
2
O)
4.FL.05Muskoxite
Mg
 
7
Fe
 
4
O
 
13
 · 10H
 
2
O
4.FL.05Fougèrite
(Fe
2+
 
,Mg)
 
6
Fe
3+
2
(OH)
 
18
 · 4H
 
2
O
4.FL.10Hydrocalumite
Ca
 
2
Al(OH)
 
7
 · 2H
 
2
O
4.FL.15Kuzelite
Ca
 
4
Al
 
2.4
(OH)
 
12.8
(SO
 
4
) · 6H
 
2
O
4.FL.20Aurorite
(Mn
2+
 
,Ag,Ca)Mn
4+
3
O
 
7
 · 3H
 
2
O
4.FL.20Chalcophanite
(Zn,Fe,Mn)Mn
 
3
O
 
7
 · 3H
 
2
O
4.FL.20Ernienickelite
NiMn
 
3
O
 
7
 · 3H
 
2
O
4.FL.20Jianshuiite
(Mg,Mn)Mn
 
3
O
 
7
 · 3H
 
2
O
4.FL.25Woodruffite
Zn(Mn
4+
 
,Mn
3+
 
)
 
5
O
 
10
·3½H
 
2
O
4.FL.30Asbolane
(Ni,Co)
 
2-x
Mn
4+
 
(O,OH)
 
4
 · nH
 
2
O
4.FL.35Buserite
Na
 
4
Mn
 
14
O
 
27
 · 21H
 
2
O
4.FL.40Ranciéite
(Ca,Mn)Mn
 
4
O
 
9
 · 3H
 
2
O
4.FL.40Takanelite
(Mn,Ca)Mn
 
4
O
 
9
 · H
 
2
O
4.FL.45Birnessite
(Na,Ca)
 
0.5
(Mn
4+
 
,Mn
3+
 
)
 
2
O
 
4
 · 1.5H
 
2
O
4.FL.55Cianciulliite
Mn(Mg,Mn)
 
2
Zn
 
2
(OH)
 
10
 · 2-4H
 
2
O
4.FL.60Jensenite
Cu
 
3
[TeO
 
6
] · 2H
 
2
O
4.FL.65Leisingite
Cu(Mg,Cu,Fe,Zn)
 
2
[TeO
 
6
] · 6H
 
2
O
4.FL.70Akdalaite
4Al
 
2
O
 
3
 · H
 
2
O
4.FL.75Cafetite
(Ca,Mg)(Fe,Al)
 
2
Ti
 
4
O
 
12
 · 4H
 
2
O
4.FL.80Mourite
UMo
 
5
O
 
12
(OH)
 
10
4.FL.85Deloryite
Cu
 
4
(UO
 
2
)(MoO
 
4
)
 
2
(OH)
 
6
Related Minerals - Hey's Index Grouping:

- +
7.4.1Bromellite
BeO
7.4.2Behoite
Be(OH)
 
2
7.4.3Clinobehoite
Be(OH)
 
2
7.4.4Chrysoberyl
BeAl
 
2
O
 
4
7.4.5Magnesiotaaffeite-2N’2S
Mg
 
3
Al
 
8
BeO
 
16
7.4.6Magnesiotaaffeite-6N’3S
Mg
 
2
BeAl
 
6
O
 
12
7.4.7Periclase
MgO
7.4.8Brucite
Mg(OH)
 
2
7.4.9Spinel
MgAl
 
2
O
 
4
7.4.11Lime
CaO
7.4.12Portlandite
Ca(OH)
 
2
7.4.13Mayenite
Ca
 
12
Al
 
14
O
 
33
7.4.14Hydrocalumite
Ca
 
2
Al(OH)
 
7
 · 2H
 
2
O
7.4.15Marokite
CaMn
 
2
O
 
4
7.4.16Ranciéite
(Ca,Mn)Mn
 
4
O
 
9
 · 3H
 
2
O
7.4.17Hollandite
Ba(Mn
4+
 
,Mn
2+
 
)
 
8
O
 
16
7.4.18Romanèchite
(Ba,H
 
2
O)
 
2
Mn
 
5
O
 
10
7.4.19Todorokite
(Ca,K,Na,Mg,Ba,Mn)(Mn,Mg,Al)
 
6
O
 
12
 · 3H
 
2
O

Other Names for Meixnerite

Synonyms:
IMA1974-003
Other Languages:
German:Meixnerit
Simplified Chinese:羟镁铝石
Spanish:Meixnerita
Traditional Chinese:羥鎂鋁石

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 Meixnerite

Reference List:

- +
Koritnig, S. and P. Süsse (1975) Meixnerite, Mg6Al2(OH)18•4H2O, ein neues Magnesium-Aluminium-Hydroxid-Mineral. Tschermaks Mineral. Petrog. Mitt., 22, 79–87.

American Mineralogist (1976) 61: 176.

Internet Links for Meixnerite

Search Engines:
  • Look for Meixnerite on Google
  • Look for Meixnerite images on Google
    • External Links:
  • Look for Meixnerite on Webmineral
  • Look for Meixnerite on Athena Mineralogy [Link dead]
  • Look for Meixnerite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Meixnerite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Find Meixnerite on www.crystalclassics.co.uk
  • Visit the Pueblo Gem and Mineral show, Tucson 2012
  • By minerals from YourMineralCollection
  • Buy from David K Joyce minerals
  • Buy RARE Minerals from Rocks of Africa
  • Edwards Minerals - Fine Specimens
  • Top quality minerals from Kristalle of California
  • High-end worldwide specimens & outstanding customer service
  • Pricedownminerals.com - Reverse Auctions and Shop
  • Wilensky Fine Minerals
  • Search for Meixnerite from all mineral dealers at minfind.com
  • The Arkenstone - Fine Minerals
    • Jobs:
  • Mining & Geology Jobs

    • Localities for Meixnerite

    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.
    Austria
     
    • Lower Austria
      • Waldviertel
        • Nöchling
    		Tschermaks Min.Petr.Mitt.(1975) 22, 79-87
    Germany
     
    • Bavaria
      • Franconia
        • Maroldsweisach
    		Wittern: "Mineralfundorte in Deutschland", 2001
    Greece
     
    • Attikí (Attica; Attika) Prefecture
      • Lavrion (Laurion; Laurium) District
        • Lavrion District Mines
          • Sounion area
            • Sounion Mines
    		Lapis, 24, 7/8 (1999)
    Russia
     
    • Eastern-Siberian Region
      • Prebaikalia (Pribaikal'e)
        • Irkutskaya Oblast'
          • Zheleznogorsk
    		Mazurov, M.P., Grishina, S.N., Istomin, V.E., and Titov, A.T. (2007): Geology of Ore Deposits 49(4), 271-284.; Mazurov et al (2007) Geology of Ore Deposits, 49, 271–284.
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2012. 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: 30th Jan 2012 12:29:10
    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