Mindat Logo

Strontiomelane

Formula:
SrMn
4+
6
Mn
3+
2
O
 
16
System:MonoclinicColour:Black
Lustre:Sub-MetallicHardness:4 - 4½
Name:The name reflects the presence of strontium and the black color, melanos in Greek.

Classification of Strontiomelane

IMA status:Approved
Strunz 8th edition ID:4/D.08-25
Nickel-Strunz 10th (pending) edition ID:4.DK.10

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
K : With large (+- medium-sized) cations; tunnel structures
mindat.org URL:http://www.mindat.org/min-7317.html
Please feel free to link to this page.

Type Occurrence of Strontiomelane

Type Locality:Prabornaz Mine (Praborna Mine), Saint-Marcel, Aosta Valley, Italy

Physical Properties of Strontiomelane

Lustre:Sub-Metallic
Diaphaneity (Transparency):Opaque
Colour:Black
Hardness (Mohs):4 - 4½

Crystallography of Strontiomelane

Crystal System:Monoclinic

Chemical Properties of Strontiomelane

Formula:
SrMn
4+
6
Mn
3+
2
O
 
16
Essential elements:Mn, O, Sr
All elements listed in formula:Mn, O, Sr
Common Impurities:Ba,K

Relationship of Strontiomelane to other Species

Member of Group:
Cryptomelane Group:
Related Minerals - Nickel-Strunz Grouping):

- +
4.DK.05Akaganeite
β-Fe
3+
 
O(OH,Cl)
4.DK.05Ankangite
Ba(Ti,V
3+
 
,Cr)
 
8
O
 
16
4.DK.05Coronadite
Pb(Mn,Mn)
 
8
O
 
16
4.DK.05Hollandite
Ba(Mn
4+
 
,Mn
2+
 
)
 
8
O
 
16
4.DK.05Manjiroite
(Na,K)Mn
 
8
O
 
16
·nH
 
2
O
4.DK.05Mannardite
Ba
 
x
Ti
 
8-2x
V
 
2x
O
 
16
·2-xH
 
2
O
4.DK.05Priderite
(K,Ba)(Ti,Fe)
 
8
O
 
16
4.DK.05Redledgeite
Ba
 
x
([Cr,Fe,V]
3+
2x
Ti
 
8-2x
)O
 
16
4.DK.05Henrymeyerite
BaFe
2+
 
Ti
 
7
O
 
16
4.DK.10Cryptomelane
K(Mn
4+
 
,Mn
2+
 
)
 
8
O
 
16
4.DK.10Romanèchite
(Ba,H
 
2
O)
 
2
Mn
 
5
O
 
10
4.DK.10Todorokite
(Ca,K,Na,Mg,Ba,Mn)(Mn,Mg,Al)
 
6
O
 
12
·3H
 
2
O

Other Names for Strontiomelane

Synonyms:
IMA1995-005
Other Languages:
German:Strontiomelan
Japanese:ストロンチオメレン

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 Strontiomelane

Reference List:N. Meisser, E.-A. Perseil, J. Brugger and P.-J. Chiappero (1999): "Strontiomelane, SrMn4+6Mn3+2O16, a new mineral of the cryptomelane group from St. Marcel-Praborna, Aosta Valley, Italy", Canadian Mineralogist (1999): 37: 673-678.

Internet Links for Strontiomelane

Search Engines:
  • Look for Strontiomelane on Google
  • Look for Strontiomelane images on Google
  • External Links:
  • Look for Strontiomelane on Webmineral
  • Look for Strontiomelane on Athena Mineralogy
  • Look for Strontiomelane on Wikipedia
  • Look for Strontiomelane on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Strontiomelane in the Natural History Museum (London) online catalogue
  • Strontiomelane details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
  • SpiriferMinerals.com - high quality specimens
  • Buy from David K Joyce minerals
  • Search for - Strontiomelane - on e-Rocks Mineral Sales & Auctions
  • Buy minerals from Mineralium.com
  • Fabre Minerals - search for Strontiomelane specimens
  • Rare and Unusual minerals at Mineralogical Research Company
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Wright's Rock Shop - excellent mineral specimens since 1970
  • Fine Minerals from Dan Weinrich Minerals
  • Find Strontiomelane on www.crystalclassics.co.uk
  • Wendel Minerals - Auktion & Shop
  • 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 Strontiomelane

    (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.
    Belgium
     
    • Luxembourg Province
      • Stavelot Massif
        • Vielsalm
          • Salm-Château
    W. Schreyer et al. , Contributions to Mineralogy and Petrology, Vol. 141, Issue 5, 2001, pp. 560-571.
    Italy
     
    • Aosta Valley
      • Saint-Marcel
    N. Meisser et al.: Canadian Mineralogist 37:673-678 (1999)
    Japan
     
    • Kyushu Island
      • Nagasaki Prefecture
        • Nishisonogi-gun
    Fukushima et al (2004) Koubutsu-Gakkai Kou'en-Youshi, 207.
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. Current server date and time: 12th Oct 2009 13:34:00