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Innsbruckite

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Innsbruck
Formula:
Mn33(Si2O5)14(OH)38
Hardness:
6
Specific Gravity:
3.216 (Calculated)
Crystal System:
Monoclinic
Name:
Named for the type locality, found at a location 20 km south-east of Innsbruck, Austria.
Innsbruckite belongs to the group of modulated 1:1 layer silicates and is chemically and structurally related to bementite.


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Classification of InnsbruckiteHide

Approved
Approval Year:
2013

Physical Properties of InnsbruckiteHide

Hardness:
Hardness:
VHN100=740(50) - Vickers
Density:
3.216 g/cm3 (Calculated)

Optical Data of InnsbruckiteHide

Type:
Biaxial (-)
Comments:
Gladstone-Dale average refractive index of 1.678 was calculated

Chemical Properties of InnsbruckiteHide

Formula:
Mn33(Si2O5)14(OH)38

Crystallography of InnsbruckiteHide

Crystal System:
Monoclinic
Class (H-M):
m - Domatic
Space Group:
Bm
Setting:
Cm
Cell Parameters:
a = 17.276(2) Å, b = 35.957(5) Å, c = 7.2560(8) Å
β = 91.359(7)°, γ = °
Ratio:
a:b:c = 0.48 : 1 : 0.202
Unit Cell V:
4506.1 ų
Z:
2

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
7.254(100)
3.627(29)
3.549(15)
3.516(16)
2.657(77)
2.654(44)
2.250(32)
1.655(19)
Comments:
From Type Description.

Type Occurrence of InnsbruckiteHide

General Appearance of Type Material:
thin platy crystals
Place of Conservation of Type Material:
Type material is deposited in the collections of the Naturhistorisches Museum Wien, Vienna, Austria, registration number N9580
Geological Setting of Type Material:
interface between a serpentinite body and cherts
Associated Minerals at Type Locality:

Synonyms of InnsbruckiteHide

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for InnsbruckiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Krüger, H., Tropper, P., Haefeker, U., Tribus, M., Kahlenberg, V., Wikete, C., Fuchs, M. and Olieric, V. (2013) Innsbruckite, IMA 2013-038. CNMNC Newsletter No. 17, October 2013, page 2999; Mineralogical Magazine, 77, 2997-3005.
Krüger, H., Tropper, P., Haefeker, U., Tribus M., Kahlenberg, V., Wikete, C., Fuchs, M., and Olieric, V. (2013) Innsbruckite, Mn33(Si2O5)14(OH)38: a new manganese phyllosilicate mineral from the Tyrol. MinPet2013, Meeting of the Austrian Mineralogical Society, Mitteilungen der Österreichischen Mineralogischen Gesellschaft 159: 85 (Abstract).
Tropper, P., Kahlenberg, V., and Krüger, H. (2014) Innsbruckit, ein neues Mn-Schichtsilikat aus der Wattener Lizum (Bezirk Innsbruck-Land, Tirol). Der Steirische Mineralog 28, 60.
Krüger, H., Tropper, P., Haefeker, U., Kaindl, R., Tribus, M., Kahlenberg, V., Wikete, C., Fuchs, M.R., and Olieric, V. (2014) Innsbruckite, Mn33(Si2O5)14(OH)38 – a new mineral from the Tyrol, Austria. Mineralogical Magazine, 78, 1613-1627.

Internet Links for InnsbruckiteHide

Localities for InnsbruckiteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Austria (TL)
 
  • Tyrol
    • North Tyrol
      • Inn valley
        • Wattens
          • Watten valley
            • Wattener Lizum (Wattentaler Lizum)
              • Geier
                • Staffelsee
Krüger, H., Tropper, P., Haefeker, U., Tribus, M., Kahlenberg, V., Wikete, C., Fuchs, M. and Olieric, V. (2013) Innsbruckite, IMA 2013-038. CNMNC Newsletter No. 17, October 2013, page 2999; Mineralogical Magazine, 77, 2997-3005; KRÜGER H., TROPPER P., HAEFEKER U., TRIBUS M., KAHLENBERG V., WIKETE C, FUCHS M & OLIERIC V. (2013): Innsbruckite, Mn33(Si2O5)14(OH)38: a new manganese phyllosilicate mineral from the Tyrol. MinPet2013, Meeting of the Austrian Mineralogical Society, Mitt. Österr. Mineral. Ges. 159: 85 (Abstract); TROPPER P., KAHLENBERG V. & KRÜGER H. (2014): Innsbruckit, ein neues Mn-Schichtsilikat aus der Wattener Lizum (Bezirk Innsbruck-Land, Tirol). Der Steirische Mineralog 28, 60; Krüger, H., Tropper, P., Haefeker, U., Kaindl, R.,Tribus, M., Kahlenberg, V., Wikete, C.,Fuchs, M.R. & Olieric, V. (2014): Innsbruckite, Mn33(Si2O5)14(OH)38 – a new mineral from the Tyrol, Austria. Mineralogical Magazine, 78, 1613-1627.; Krüger, H., Tropper, P., Haefeker, U., Kaindl, R., Tribus, M., Kahlenberg, V., ... & Olieric, V. (2014). Innsbruckite, Mn33 (Si2O5) 14 (OH) 38–a new mineral from the Tyrol, Austria. Mineralogical Magazine, 78(7), 1613-1627.
Mineral and/or Locality  
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