Jianshuiite Mineral Data (original) (raw)

General Jianshuiite Information

Help on Chemical Formula: Chemical Formula:

(Mg,Mn++)Mn++++3O7•3(H2O)

Help on Composition: Composition:

Molecular Weight = 366.99 gm

Calcium 1.09 % Ca 1.53 % CaO

Magnesium 3.31 % Mg 5.49 % MgO

Manganese 50.90 % Mn 7.73 % MnO / 71.07 % MnO2

Hydrogen 1.54 % H 13.75 % H2O

Oxygen 43.16 % O

______ ______

100.00 % 99.56 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Mg0.5Mn2+0.4Ca0.1Mn4+3O7.1•2.8(H2O)

Help on Environment: Environment:

Hypogene mineral in manganese ore.

Help on IMA Status: IMA Status:

Approved IMA 1992

Help on Locality: Locality:

Lu Village, Juanshui County, Yunnan Province, China. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named for the locality.

Help on Name Pronunciation: Name Pronunciation:

Jianshuiite + Pronunciation Say JIANSHUIITE

Help on Synonym: Synonym:

IMA1990-019

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Jianshuiite Crystallography

Help on Axial Ratios: Axial Ratios:

a:c = 1:2.76127

Help on Cell Dimensions: Cell Dimensions:

a = 7.54, c = 20.82, Z = 6; V = 1,025.07 Den(Calc)= 3.57

Help on Crystal System: Crystal System:

TrigonalSpace Group: R 3 or R 3

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 6.965(1), 2.23(0.23), 3.483(0.11),

Physical Properties of Jianshuiite

Help on Color: Color:

Brown, Brownish black.

Help on Density: Density:

3.5 - 3.6, Average = 3.55

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Habit: Habit:

Aggregates - Made of numerous individual crystals or clusters.

Help on Habit: Habit:

Granular - Generally occurs as anhedral to subhedral crystals in matrix.

Help on Habit: Habit:

Massive - Granular - Common texture observed in granite and other igneous rock.

Help on Hardness: Hardness:

1.5-2 - Talc-Gypsum

Help on Luster: Luster:

Metallic

Help on Streak: Streak:

brown

Optical Properties of Jianshuiite

Help on Optical Data: Optical Data:

NCalc= 2.27 - from Gladstone-Dale relationship (KC = 0.3562) where Ncalc=Dcalc*KC+1
NCalc= 2.26 - from Gladstone-Dale relationship (KC = 0.3562) where Ncalc=Dmeas*KC+1

Calculated Properties of Jianshuiite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=3.46 gm/cc
note: Specific Gravity of Jianshuiite =3.57 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.0035356351
Boson Index = 0.9964643649

Help on Photoelectric: Photoelectric:

PEJianshuiite = 13.28 barns/electron
U=PEJianshuiite x rElectron Density= 45.94 barns/cc.

Help on Radioactivity: Radioactivity:

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

Jianshuiite Classification

Help on Dana Class: Dana Class:

07.08.02.03 (07)Multiple Oxides

(07.08)where A B (O)2�x(H2O)

(07.08.02)Chalcophanite Group

07.08.02.01 Chalcophanite (Zn,Fe,Mn)Mn3O7•3(H2O) R 3 3

07.08.02.02 Aurorite (Mn,Ag,Ca)Mn3O7•3(H2O) P1 1

07.08.02.03 Jianshuiite (Mg,Mn)Mn3O7•3(H2O) R 3 or R 3 Trig

07.08.02.04 Ernienickelite NiMn3O7•3(H2O) R 3 or R 3 Trig

Help on Strunz Class: Strunz Class:

04.FL.20 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate

04.F - Hydroxides (without V or U)

04.FL -Hydroxides with H2O � (OH); sheets of edge-sharing octahedra

04.FL.20 Aurorite (Mn,Ag,Ca)Mn3O7•3(H2O) P1 1

04.FL.20 Chalcophanite (Zn,Fe,Mn)Mn3O7•3(H2O) R 3 3

04.FL.20 Ernienickelite NiMn3O7•3(H2O) R 3 or R 3 Trig

04.FL.20 Jianshuiite (Mg,Mn)Mn3O7•3(H2O) R 3 or R 3 Trig

Other Jianshuiite Information

Help on References: References:

NAME( AntBidBlaNic3) PHYS. PROP.(AntBidBlaNic3)

Help on See Also: See Also:

Links to other databases for Jianshuiite :
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

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

Jianshuiite

(Mg,Mn++)Mn++++3O7•3(H2O)
Dana No: 07.08.02.03 Strunz No: 04.FL.20
Locality:

Notes: