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Scheuchzerite

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01105330014947378268363.jpg
Scheuchzerite

Valgraveglia Mine, Monte Copello, Reppia, Ne, Genoa, Liguria, Italy
03694300014947397298508.jpg
Scheuchzerite

Valgraveglia Mine, Monte Copello, Reppia, Ne, Genoa, Liguria, Italy
07020170014947397356835.jpg
Scheuchzerite

Valgraveglia Mine, Monte Copello, Reppia, Ne, Genoa, Liguria, Italy
01105330014947378268363.jpg
Scheuchzerite

Valgraveglia Mine, Monte Copello, Reppia, Ne, Genoa, Liguria, Italy
02543970014947304974764.jpg
Scheuchzerite

Valgraveglia Mine, Monte Copello, Reppia, Ne, Genoa, Liguria, Italy
07020170014947397356835.jpg
Scheuchzerite

Valgraveglia Mine, Monte Copello, Reppia, Ne, Genoa, Liguria, Italy
01105330014947378268363.jpg
Scheuchzerite

Valgraveglia Mine, Monte Copello, Reppia, Ne, Genoa, Liguria, Italy
03694300014947397298508.jpg
Scheuchzerite

Valgraveglia Mine, Monte Copello, Reppia, Ne, Genoa, Liguria, Italy
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About ScheuchzeriteHide

06300230014947397324244.jpg
Johann Jakob Scheuchzer (1672-1733)
Formula:
Na(Mn,Mg,Zn)9[VSi9O28(OH)](OH)3
Colour:
Yellow-orange
Lustre:
Vitreous
Hardness:
2½
Specific Gravity:
3.5
Crystal System:
Triclinic
Name:
Named for the Swiss naturalist Johann Jakob Scheuchzer (1672-1733), junior physician of the city of Zürich, curator of the Kunstkammer - a cabinet of natural history and curiosities. He held the chair of physics and mathematics, University of Zürich. He did much work on Swiss geology and mineralogy that was essential for his time.
A single-chain silicate.


Classification of ScheuchzeriteHide

IMA status:
Approved
Approval year:
2004
Nickel-Strunz 10th (pending) ed.:
9.DM.35

9 : SILICATES (Germanates)
D : Inosilicates
M : Inosilicates with 6-periodic single chains

Physical Properties of ScheuchzeriteHide

Lustre:
Vitreous
Transparency:
Transparent
Colour:
Yellow-orange
Streak:
Yellow-orange
Hardness:
2½ on Mohs scale
Cleavage:
Distinct/Good
Density:
3.5 g/cm3 (Measured)    3.47 g/cm3 (Calculated)

Optical Data of ScheuchzeriteHide

Type:
Biaxial (+)
Pleochroism:
Weak
Comments:
X: brown yellow
Y: pale yellow

Chemical Properties of ScheuchzeriteHide

Formula:
Na(Mn,Mg,Zn)9[VSi9O28(OH)](OH)3
IMA Formula:
NaMn2+9Si9V5+O28(OH)4
Elements listed:
H, Mn, Na, O, Si, V - search for minerals with similar chemistry

Crystallography of ScheuchzeriteHide

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 9.831 Å, b = 10.107 Å, c = 13.855 Å
α = 86.222°, β = 73.383°, γ = 71.987°
Ratio:
a:b:c = 0.973 : 1 : 1.371
Unit Cell V:
1254.2 ų
Z:
2

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0004162ScheuchzeriteBrugger J, Krivovichev S, Meisser N, Ansermet S, Armbruster T (2006) Scheuchzerite, Na(Mn,Mg)9[VSi9O28(OH)](OH)3, a new single-chain silicate American Mineralogist 91 937-94320060293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
8.68 Å(50)
7.91 Å(70)
4.83 Å(30)
3.94 Å(30)
3.22 Å(40)
3.09 Å(80)
2.92 Å(40)
2.71 Å(100)
Comments:
From type description

Type Occurrence of ScheuchzeriteHide

Type Locality:
ⓘ Fianel (Fianel Mine), Ausserferrera, Ferrera, Viamala Region, Grisons, Switzerland
General Appearance of Type Material:
acicular crystals up to 0.5 mm in length
Place of Conservation of Type Material:
Musée Géologique Cantonal, Lausanne, Switzerland (hlotype specimen, MGL 79355).
Geological Setting of Type Material:
Manganese-bearing veins resulting from the remobilization of ore components during retrograde Tertiary Alpine metamorphism
Associated Minerals at Type Locality:
TiragalloiteSaneroite

Synonyms of ScheuchzeriteHide

Other Language Names for ScheuchzeriteHide

Related Minerals - Nickel-Strunz GroupingHide

9.DM.05StokesiteCaSn[Si3O9] · 2H2OOrth. mmm (2/m 2/m 2/m) : Pnna
9.DM.10CalciohilairiteCaZr[SiO3]3 · 3H2OTrig.
9.DM.10HilairiteNa2Zr[SiO3]3 · 3H2OTrig.
9.DM.10KomkoviteBaZr[Si3O9] · 3H2OTrig.
9.DM.10Sazykinaite-(Y)Na5YZr[SiO3]6 · 6H2OTrig. 3 2 : R3 2
9.DM.10Pyatenkoite-(Y)Na5YTi[SiO3]6 · 6H2OTrig. 3 2 : R3 2
9.DM.15GaidonnayiteNa2Zr(Si3O9) · 2H2OOrth. mmm (2/m 2/m 2/m) : Pmna
9.DM.15GeorgechaoiteNaKZr[Si3O9] · 2H2OOrth. mm2
9.DM.20ChkaloviteNa2BeSi2O6Orth. mm2 : Fdd2
9.DM.25VlasoviteNa2ZrSi4O11Mon. 2/m : B2/b
9.DM.30RevditeNa16Si16O27(OH)26 · 28H2OMon. 2 : B2
9.DM.40TerskiteNa4ZrSi6O16 · 2H2OOrth.

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 ScheuchzeriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Brugger, J., Krivovichev, S., Meisser, N., Ansermet, S. & Armbruster, T. (2006): Scheuchzerite, Na(Mn,Mg)9[VSi9O28(OH)](OH)3 , a new single-chain silicate. American Mineralogist 91, 937-943.

Internet Links for ScheuchzeriteHide

Localities for ScheuchzeriteHide

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.
Italy
 
  • Liguria
    • Genoa
      • Ne
        • Reppia
          • Monte Copello
Palenzona, A., Martinelli, A., Bracco, R., Balestra, C. (2006): IMA 2004-044 (scheuchzerite) alla miniera di Gambatesa. Prie, 2, 11-12.
    • La Spezia Province
      • Maissana
Castellaro, F., Passarino, G. (2011): I minerali di Monte Alpe. Sezione dell'antica Concessione Tre Monti (La Spezia e Genova). Rivista Mineralogica Italiana. 4/2011, 214-224.
Switzerland (TL)
 
  • Grisons
    • Viamala Region
      • Ferrera
        • Ausserferrera
Brugger, J., Krivovichev, S., Meisser, N., Ansermet, S., and Armbruster, T. (2006) Scheuchzerite, Na(Mn,Mg)9[VSi9O28(OH)](OH)3, a new single-chain silicate. American Mineralogist: 91: 937-943.
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