Saneroite Mineral Data
General Saneroite Information
Chemical Formula:
Na2(Mn++,Fe+++)10Si11V+++++O34(OH)4
Composition:
Molecular Weight = 1,587.79 gm
Sodium 3.47 % Na 4.68 % Na2 O
Calcium 0.25 % Ca 0.35 % CaO
Manganese 32.18 % Mn 46.23 % Mn2 O3
Vanadium 3.85 % V 6.87 % V2 O5
Iron 0.35 % Fe 0.50 % Fe2 O3
Silicon 19.10 % Si 40.87 % SiO2
Hydrogen 0.58 % H 5.22 % H2 O
Oxygen 40.21 % O
______ ______
100.00 % 104.74 % = TOTAL OXIDE
Empirical Formula:
Na2.4 Mn3+ 9.3 Fe3+ 0.1 Ca0.1 Si10.8 V5+ 1.2 O35.3 �4.6(H2 O)
Environment:
In veins in manganese ores associated with low-grade prehnite-pumpellyite facies metamorphism.
IMA Status:
Approved IMA 1981
Locality:
Gambatesa and Molinello manganese mines, near Chiavari, Val Graveglia, Liguria, Italy. Link to MinDat.org Location Data.
Name Origin:
Named for Edoardo Sanero, formerly professor of Mineralogy at the University of Genova, Italy.
Name Pronunciation:
Saneroite + Pronunciation
Synonym:
ICSD 100478
PDF 35-484
Saneroite Image
Images:
Saneroite
Comments: Reddish orange crystals of saneroite to 3 mm.
Location: Vrancice near Pribram, Czech Republic.
Scale: Picture size 1 cm.
© John Veevaert
Images:
Scheuchzerite Saneroite
Comments: BSE image of acicular scheuchzerite crystals (Sz) partially intergrown with platy saneroite (Snr) in a vug lined with minute quartz (Qtz) crystals. (AmMin v91:937).
Location: Metamorphosed synsedimentary exhalative Mn deposit of Fianel, Val Ferrera, Central Alps, Switzerland.
Scale: See Image.
© American Mineralogist
Saneroite Crystallography
Axial Ratios:
a:b:c =0.9766:1:0.9131
Cell Dimensions:
a = 9.741, b = 9.974, c = 9.108, Z = 1; alpha = 92.7°, beta = 117.11°, gamma = 105.3° V = 758.92 Den(Calc)= 3.47
Crystal System:
Triclinic - Pinacoidal H-M Symbol ( 1 ) Space Group: P1
X Ray Diffraction:
By Intensity(I/Io ): 2.7(1), 2.83(1), 3.06(1),
Physical Properties of Saneroite
Cleavage:
{???} Perfect, {???} Perfect
Color:
Light orange.
Density:
3.47
Diaphaneity:
Transparent to Translucent
Habit:
Aggregates - Made of numerous individual crystals or clusters.
Habit:
Tabular - Form dimensions are thin in one direction.
Hardness:
6-7 - Orthoclase-Quartz
Luster:
Resinous - Greasy
Streak:
white
Optical Properties of Saneroite
Gladstone-Dale:
CI meas = 0.232 (Poor) - where the CI = (1-KPDmeas /KC ) CI calc = 0.247 (Poor) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.2081,KPDmeas = 0.2123,KC = 0.2765 Ncalc = 1.96 - 1.98
Optical Data:
Biaxial (-), a=1.715-1.725, b=1.74-1.745, g=1.745-1.75, bire=0.0250-0.0300, 2V(Calc)=46-52, 2V(Meas)=40-48.
Pleochroism (x):
deep orange.
Pleochroism (y):
lemon yellow.
Pleochroism (z):
yellow orange.
Calculated Properties of Saneroite
Electron Density:
Bulk Density (Electron Density)=3.37 gm/cc note: Specific Gravity of Saneroite =3.47 gm/cc.
Fermion Index:
Fermion Index = 0.0092893939 Boson Index = 0.9907106061
Photoelectric:
PESaneroite = 9.87 barns/electronU=PESaneroite x r Electron Density= 33.24 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Saneroite is Not Radioactive
Saneroite Classification
Dana Class:
69.02.02.01 (69) Inosilicate Chains with Side Branches or Loops
(69.02) with P>2
(69.02.02) Dana Group
69.02.02.01 Saneroite Na2(Mn,Fe)10Si11VO34(OH)4 P1 1
69.02.02.02 Scheuchzerite ! Na(Mn,Mg)9[VSi9O28(OH)](OH)3 P1 1
Strunz Class:
09.DK.15 09 - SILICATES (Germanates)
09.D - Inosilicates* Structural terminology according to Liebau (1985)
09.DK -Inosilicates with 5-periodic single chains
09.DK.15 Saneroite Na2(Mn,Fe)10Si11VO34(OH)4 P1 1
Other Saneroite Information
References:
NAME( AntBidBlaNic2) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic2)
See Also:
Links to other databases for Saneroite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST
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Saneroite
Na2(Mn++,Fe+++)10Si11V+++++O34(OH)4
Dana No: 69.02.02.01 Strunz No: 09.DK.15
Locality:
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