Jokokuite Mineral Data

Jokokuite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images Share
      News Help About


General Jokokuite Information

Help on Chemical Formula: Chemical Formula: MnSO4•5(H2O)
Help on Composition: Composition: Molecular Weight = 241.08 gm
   Manganese  22.79 %  Mn   29.43 % MnO
   Hydrogen    4.18 %  H    37.36 % H2O
   Sulfur     13.30 %  S    33.21 % SO3
   Oxygen     59.73 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+(SO4)•5(H2O)
Help on Environment: Environment: Efflorescences in oxidized portions of mine workings, apparently deposited from mine waters at 25 deg C.
Help on IMA Status: IMA Status: Approved IMA 1978
Help on Locality: Locality: Jokoku and Inakuraishi mines, Hokkaido, Japan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Jokokuite + Pronunciation Say JOKOKUITE
Help on Synonym: Synonym: ICSD 41202
  PDF 31-836
 

Jokokuite Image

Click Here for Larger Jokokuite Image in a New Browser Window Images:
Click Here for Larger Jokokuite Image

Jokokuite

Comments: Pale pink stalactic mass of jokokuite.
Location: Jokoku Mine, Haminokuni, Hokkaido, Japan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Jokokuite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.5914:1:0.5691
Help on Cell Dimensions: Cell Dimensions: a = 6.37, b = 10.77, c = 6.13, Z = 2; alpha = 98.767°, beta = 109.967°, gamma = 77.833° V = 381.88 Den(Calc)= 2.10
Help on Crystal System: Crystal System: Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 5.84(1), 2.72(0.72), 4.98(0.61),
Click Here for Large Jokokuite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Caminiti R , Marongiu G , Paschina G , Zeitschrift fur Naturforschung , A37 (1982) p.581-586, A comparative X-ray diffraction study of aqueous MnSO4 and crystals of MnSO4*5H2O, Locality: synthetic

 

Physical Properties of Jokokuite

Help on Cleavage: Cleavage: None
Help on Color: Color: Light pink.
Help on Density: Density: 2.03
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Jokokuite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.027 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.002 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2444,KPDmeas= 0.2504,KC= 0.2438
Ncalc = 1.49 - 1.51
Help on Optical Data: Optical Data: Biaxial (-), a=1.498, b=1.51, g=1.517, bire=0.0190, 2V(Calc)=74, 2V(Meas)=70-80.
 

Calculated Properties of Jokokuite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.12 gm/cc
note: Specific Gravity of Jokokuite =2.08 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0012905543
Boson Index = 0.9987094457
Help on Photoelectric: Photoelectric: PEJokokuite = 6.44 barns/electron
U=PEJokokuite x rElectron Density= 13.67 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Jokokuite is Not Radioactive
 

Jokokuite Classification
Help on Dana Class: Dana Class: 29.06.07.04 (29)Hydrated Acid and Sulfates
  (29.06)where A XO4 · x(H2O)
  (29.06.07)Chalchanthite Group (Triclinic: P-1)
 
29.06.07.01 Chalcanthite CuSO4•5(H2O) P1 1
 
29.06.07.02 Siderotil FeSO4•5(H2O) P1 1
 
29.06.07.03 Pentahydrite MgSO4•5(H2O) P1 1
 
29.06.07.04 Jokokuite MnSO4•5(H2O) P1 1
Help on Strunz Class: Strunz Class: 07.CB.20 07 - SULFATES (SELENATES, TELLURATES)
  07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O
  07.CB -With only medium-sized cations
 
07.CB.20 Chalcanthite CuSO4•5(H2O) P1 1
 
07.CB.20 Jokokuite MnSO4•5(H2O) P1 1
 
07.CB.20 Pentahydrite MgSO4•5(H2O) P1 1
 
07.CB.20 Siderotil FeSO4•5(H2O) P1 1
 

Other Jokokuite Information
Help on References: References: NAME( AntBidBlaNic5) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Jokokuite :
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

Search for Jokokuite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Jokokuite :

A Bijoux Google Search for Jokokuite
Adam's Minerals Google Search for Jokokuite
Cape Minerals Google Search for Jokokuite
Dakota Matrix Minerals Google Search for Jokokuite
Excalibur Mineral Corp. Google Search for Jokokuite
Exceptional Minerals Google Search for Jokokuite
John Betts Fine Minerals Search for Jokokuite
McDougall Minerals Google Search for Jokokuite
Mineral News Website Link
Rock and Mineral Shows Google Search for Jokokuite
Weinrich Minerals, Inc. Google Search for Jokokuite

Ask about Jokokuite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

Print or Cut-and-Paste your Jokokuite Specimen Label here :

Jokokuite

MnSO4•5(H2O)
Dana No: 29.06.07.04 Strunz No: 07.CB.20
Locality:

 

Notes: