Saneroite Mineral Data

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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 % Na₂O

Calcium 0.25 % Ca 0.35 % CaO

Manganese 32.18 % Mn 46.23 % Mn₂O₃

Vanadium 3.85 % V 6.87 % V₂O₅

Iron 0.35 % Fe 0.50 % Fe₂O₃

Silicon 19.10 % Si 40.87 % SiO₂

Hydrogen 0.58 % H 5.22 % H₂O

Oxygen 40.21 % O

______ ______

100.00 % 104.74 % = TOTAL OXIDE

Empirical Formula:

Na_2.4Mn³⁺_9.3Fe³⁺_0.1Ca_0.1Si_10.8V⁵⁺_1.2O_35.3·4.6(H₂O)

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:

Saneroite Scheuchzerite

Comments: BSE image of acicular scheuchzerite crystals (Sz) partially intergrown with platy saneroite (Snr) in a vug lined with minute quartz (Qtz) crystals.
Location: . Scale: .
©

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 - PinacoidalH-M Symbol ( 1) Space Group: P1

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.7(1), 2.83(1), 3.06(1),

Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
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Basso R , Giusta A D , Neues Jahrbuch fur Mineralogie, Abhandlungen , 138 (1980) p.332-342, The crystal structure of a new manganese silicate, Locality: Liguria, Italy

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:

PE_Saneroite= 9.87 barns/electron
U=PE_Saneroite x rElectron 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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Ask about Saneroite here :
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Print or Cut-and-Paste your Saneroite Specimen Label here :

Saneroite

Na2(Mn++,Fe+++)10Si11V+++++O34(OH)4
Dana No: 69.02.02.01 Strunz No: 09.DK.15
Locality:

Notes: