Marsturite Mineral Data (original) (raw)

General Marsturite Information

Help on Chemical Formula: Chemical Formula:

NaCaMn3[Si5O14(OH)]

Help on Composition: Composition:

Molecular Weight = 609.31 gm

Sodium 3.77 % Na 5.09 % Na2O

Calcium 6.58 % Ca 9.20 % CaO

Manganese 27.05 % Mn 34.93 % MnO

Silicon 23.05 % Si 49.31 % SiO2

Hydrogen 0.17 % H 1.48 % H2O

Oxygen 39.39 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

NaCaMn2+3Si5O14(OH)

Help on IMA Status: IMA Status:

Approved IMA 1978

Help on Locality: Locality:

Franklin, Sussex County, New Jersey, USA. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for Marion Stuart of Bellvue, Idaho, who has been a staunch supporter of the preservation of natural history specimens, particularly those of geological interest.

Help on Name Pronunciation: Name Pronunciation:

Marsturite + Pronunciation Say MARSTURITE

Marsturite Image

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Marsturite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =0.64:1:0.5635

Help on Cell Dimensions: Cell Dimensions:

a = 7.7, b = 12.03, c = 6.78, Z = 2; alpha = 85.26°, beta = 94.1°, gamma = 111.04° V = 582.67 Den(Calc)= 3.47

Help on Crystal System: Crystal System:

TriclinicSpace Group: P1,P 1

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.725(1), 2.916(0.9), 2.999(0.8),

Physical Properties of Marsturite

Help on Cleavage: Cleavage:

{100} Indistinct, {001} Indistinct

Help on Color: Color:

White, Light pink.

Help on Density: Density:

3.46

Help on Diaphaneity: Diaphaneity:

Transparent to Translucent

Help on Habit: Habit:

Lath - Shaped like a small, thin plaster lath, tabular (rectangular) in shape.

Help on Hardness: Hardness:

6 - Orthoclase

Help on Luster: Luster:

Vitreous (Glassy)

Help on Streak: Streak:

white

Optical Properties of Marsturite

Help on Gladstone-Dale: Gladstone-Dale:

CI meas= 0.022 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.025 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2003,KPDmeas= 0.2009,KC= 0.2054
Ncalc = 1.71

Help on Optical Data: Optical Data:

Biaxial (+), a=1.686, b=1.691, g=1.708, bire=0.0220, 2V(Calc)=58, 2V(Meas)=60. Dispersion r > v weak.

Calculated Properties of Marsturite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=3.37 gm/cc
note: Specific Gravity of Marsturite =3.46 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Help on Photoelectric: Photoelectric:

PEMarsturite = 8.64 barns/electron
U=PEMarsturite x rElectron Density= 29.13 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Marsturite is Not Radioactive

Marsturite Classification

Help on Dana Class: Dana Class:

65.04.01.06 (65)Inosilicate Single-Width Unbranched Chains, W=1

(65.04)with chains P=5

(65.04.01)Rhodonite group

65.04.01.01 Rhodonite (Mn,Fe,Mg,Ca)SiO3 P1 1

65.04.01.02 Babingtonite Ca2(Fe,Mn)FeSi5O14(OH) P1 1

65.04.01.03 Manganbabingtonite Ca2(Mn,Fe)FeSi5O14(OH) P1 1

65.04.01.04 Nambulite (Li,Na)Mn4[Si5O14(OH)] P1 1

65.04.01.05 Natronambulite (Na,Li)Mn4[Si5O14(OH)] P1 1

65.04.01.06 Marsturite NaCaMn3[Si5O14(OH)] P1,P 1 Tri

65.04.01.07 Lithiomarsturite LiCa2Mn2HSi5O15 P1 1

65.04.01.08 Scandiobabingtonite! Ca2(Fe,Mn)ScSi5O14(OH) P1 1

Help on Strunz Class: Strunz Class:

09.DK.05 09 - SILICATES (Germanates)

09.D - Inosilicates* Structural terminology according to Liebau (1985)

09.DK -Inosilicates with 5-periodic single chains

09.DK.05 Babingtonite Ca2(Fe,Mn)FeSi5O14(OH) P1 1

09.DK.05 Marsturite NaCaMn3[Si5O14(OH)] P1,P 1 Tri

09.DK.05 Natronambulite (Na,Li)Mn4[Si5O14(OH)] P1 1

09.DK.05 Lithiomarsturite LiCa2Mn2HSi5O15 P1 1

09.DK.05 Manganbabingtonite Ca2(Mn,Fe)FeSi5O14(OH) P1 1

09.DK.05 Nambulite (Li,Na)Mn4[Si5O14(OH)] P1 1

09.DK.05 Rhodonite (Mn,Fe,Mg,Ca)SiO3 P1 1

09.DK.05 Scandiobabingtonite! Ca2(Fe,Mn)ScSi5O14(OH) P1 1

Other Marsturite Information

Help on References: References:

NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)

Help on See Also: See Also:

Links to other databases for Marsturite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Franklin Minerals(Dunn)
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info

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Ask about Marsturite here :
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Print or Cut-and-Paste your Marsturite Specimen Label here :

Marsturite

NaCaMn3[Si5O14(OH)]
Dana No: 65.04.01.06 Strunz No: 09.DK.05
Locality:

Notes: