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Saneroite

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Big Photo

Molinello Mine, Graveglia Valley, Ne, Genova Province, Liguria, Italy
© O. Dziallas

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Formula:
Na
 
2
(Mn,Mn)
 
10
Si
 
11
VO
 
34
(OH)
 
4
System:TriclinicColour:Bright orange
Hardness:6 - 7
Name:Named after Edoardo Sanero, Professor of Mineralogy, University of Genoa, Italy.
This page provides mineralogical data about Saneroite.

Classification of Saneroite

IMA status:Approved
Strunz 8th edition ID:8/C.34-16
Nickel-Strunz 10th (pending) edition ID:9.DK.15

9 : SILICATES (Germanates)
D : Inosilicates
K : Inosilicates with 5-periodic single chains
Dana 8th edition ID:69.2.2.1

69 : INOSILICATES Chains with Side Branches or Loops
2 : Chains with Side Branches or Loops with P>2
Hey's CIM Ref.:14.14.5

14 : Silicates not Containing Aluminum
14 : Silicates of V and Bi
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Type Occurrence of Saneroite

Type Locality:Valgraveglia Mine (Gambatesa Mine), Reppia, Graveglia Valley, Ne, Genova Province, Liguria, Italy
Year of Discovery:1979

Physical Properties of Saneroite

Lustre:Resinous, Greasy
Colour:Bright orange
Hardness (Mohs):6 - 7

Crystallography of Saneroite

Crystal System:Triclinic
Cell Parameters:a = 9.74Å, b = 9.97Å, c = 9.1Å
α = 92.7°, β = 117.11°, γ = 105.3°
Ratio:a:b:c = 0.977 : 1 : 0.913
Unit Cell Volume:V 744.16 ų (Calculated from Unit Cell)

Optical Data of Saneroite

Type:Biaxial (-)
RI values: nα = 1.715 - 1.725 nβ = 1.740 - 1.745 nγ = 1.745 - 1.750
2V:Measured: 40° to 48°, Calculated: 46° to 52°
Maximum Birefringence:δ = 0.030

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Dispersion:r < v moderate

Chemical Properties of Saneroite

Formula:
Na
 
2
(Mn,Mn)
 
10
Si
 
11
VO
 
34
(OH)
 
4
Essential elements:H, Mn, Na, O, Si, V
All elements listed in formula:H, Mn, Na, O, Si, V
Common Impurities:Fe,As,Ca,H2O

Relationship of Saneroite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.DK.05Babingtonite
Ca
 
2
(Fe,Mn)FeSi
 
5
O
 
14
(OH)
9.DK.05Lithiomarsturite
LiCa
 
2
Mn
 
2
Si
 
5
O
 
14
(OH)
9.DK.05Manganbabingtonite
Ca
 
2
(Mn,Fe)FeSi
 
5
O
 
14
(OH)
9.DK.05Marsturite
NaCaMn
 
3
Si
 
5
O
 
14
(OH)
9.DK.05Nambulite
(Li,Na)Mn
 
4
Si
 
5
O
 
14
(OH)
9.DK.05Natronambulite
(Na,Li)(Mn,Ca)
 
4
Si
 
5
O
 
14
OH
9.DK.05Rhodonite
MnSiO
 
3
9.DK.05Scandiobabingtonite
Ca
 
2
(Fe
2+
 
,Mn)ScSi
 
5
O
 
14
(OH)
9.DK.05Fowlerite
9.DK.10Santaclaraite
CaMn
 
4
[Si
 
5
O
 
14
OH](OH) · H
 
2
O
9.DK.20Hellandite-(Y)
(Ca,Y)
 
6
(Al,Fe
3+
 
)Si
 
4
B
 
4
O
 
20
(OH)
 
4
9.DK.20Tadzhikite-(Ce)
(Ca,Ce)
 
4
(Ce,Y)
 
2
(Ti
4+
 
,Fe
3+
 
,Al)[B
 
4
Si
 
4
O
 
22
](OH)
 
2
9.DK.20Mottanaite-(Ce)
Ca
 
4
(CeCa)AlBe
 
2
(Si
 
4
B
 
4
O
 
22
)O
 
2
9.DK.20Ciprianiite
Ca
 
4
[(Th,U)(REE)]Al◻
 
2
(Si
 
4
B
 
4
O
 
22
)(OH,F)
 
2
9.DK.20Hellandite-(Ce)
(Ca,Ce)
 
6
(Al,Fe
3+
 
)Si
 
4
B
 
4
O
 
20
(OH)
 
4
Related Minerals - Hey's Index Grouping:

- +
14.14.1Cavansite
Ca(VO)Si
 
4
O
 
10
 · 4H
 
2
O
14.14.2Pentagonite
Ca(VO)Si
 
4
O
 
10
 · 4H
 
2
O
14.14.3Goldmanite
Ca
 
3
V
3+
2
(SiO
 
4
)
 
3
14.14.4Haradaite
SrVSi
 
2
O
 
7
14.14.6Erlianite
(Fe,Mg)
 
4
(Fe,V)
 
2
Si
 
6
O
 
15
(OH,O)
 
8
14.14.7Eulytine
Bi
 
4
(SiO
 
4
)
 
3
14.14.8Bismutoferrite
Fe
3+
2
Bi(SiO
 
4
)
 
2
(OH)

Other Names for Saneroite

Synonyms:
IMA1979-060
Other Languages:
German:Saneroit
Japanese:サネロ石
Russian:Санероит
Simplified Chinese:杉硅钠锰石
Spanish:Saneroita

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 Saneroite

Reference List:

- +
Lucchetti, G., Penco, A.M., and Rinaldi, R. (1981): Saneroite, a new natural hydrated Mn-silicate. Neues Jahrbuch für Mineralogie, Monatshefte 4: 161-168.

American Mineralogist (1981): 66: 1277-1278.

Neues Jahrbuch für Mineralogie, Abhandlungen: 138: 333-342.

Nagashima, M. & Armbruster, T. (2010): Saneroite: chemical and structural variations of manganese pyroxenoids with hydrogen bonding in the silicate chain. European Journal of Mineralogy, 22, 393-402.

Internet Links for Saneroite

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    • Localities for Saneroite

    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.
    Italy
     
    • Liguria
      • Genova Province
        • Ne
          • Graveglia Valley
    		[MinRec 32:356]
            • Reppia
    		[Rend.Soc.Ital.Mineral.Petrol.(1979) 35, 151-197; MinRec 32:354]
    Switzerland
     
    • Grischun (Grisons; Graubünden)
      • Hinterrhein Valley
        • Ferrera Valley
          • Ausserferrera
    		Amer.Min.(1996) 81, 1270-1276
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