Mallardite Mineral Data

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



[Newest Minerals] [Minerals for Sale] [Educational Articles] [About Us] [Image Gallery]
John Betts - Fine Minerals
Classic minerals, out-of-print books & magazines, plus informative articles for collectors


General Mallardite Information

Help on Chemical Formula: Chemical Formula: Mn++SO4•7(H2O)
Help on Composition: Composition: Molecular Weight = 277.11 gm
   Manganese  19.83 %  Mn   25.60 % MnO
   Hydrogen    5.09 %  H    45.51 % H2O
   Sulfur     11.57 %  S    28.89 % SO3
   Oxygen     63.51 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+(SO4)•7(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1879
Help on Locality: Locality: Locky Boy mine, Butterfield Canyon, Salt Lake County, Utah, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Name for Ernest Mallard (1833-1894), French crystallographer.
Help on Name Pronunciation: Name Pronunciation: Mallardite + Pronunciation Say MALLARDITE
Help on Synonym: Synonym: Zinc-fauserite - probably Zn-Mg-bearing mallardite
 

Search for Mallardite Images

Click Here To Search Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.
  

Mallardite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =2.1769:1:1.7015
Help on Cell Dimensions: Cell Dimensions: a = 14.15, b = 6.5, c = 11.06, Z = 4; beta = 105.6° V = 979.77 Den(Calc)= 1.88
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.92(1), 5.49(0.7), 4.88(0.55),
 

Physical Properties of Mallardite

Help on Cleavage: Cleavage: {001} Good
Help on Color: Color: Colorless, White, Light pink.
Help on Density: Density: 1.846
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Massive - Fibrous - Distinctly fibrous fine-grained forms.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous (Glassy)
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: white
 

Optical Properties of Mallardite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.013 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.031 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2484,KPDmeas= 0.253,KC= 0.2563
Ncalc = 1.47 - 1.48
Help on Optical Data: Optical Data: Biaxial (+), a=1.462, b=1.465, g=1.474, bire=0.0120
 

Calculated Properties of Mallardite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.91 gm/cc
note: Specific Gravity of Mallardite =1.85 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0011803621
Boson Index = 0.9988196379
Help on Photoelectric: Photoelectric: PEMallardite = 5.59 barns/electron
U=PEMallardite x rElectron Density= 10.65 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Mallardite is Not Radioactive
 

Mallardite Classification
Help on Dana Class: Dana Class: 29.06.10.05 (29)Hydrated Acid and Sulfates
  (29.06)where A XO4 · x(H2O)
  (29.06.10)Melanterite Group (Heptahydrates, Monoclinic: P21/c)
 
29.06.10.01 Melanterite FeSO4•7(H2O) P 21/c 2/m
 
29.06.10.02 Boothite CuSO4•7(H2O) P 21/c 2/m
 
29.06.10.03 Zincmelanterite (Zn,Cu,Fe)SO4•7(H2O) P 21/c 2/m
 
29.06.10.04 Bieberite CoSO4•7(H2O) P 21/c 2/m
 
29.06.10.05 Mallardite MnSO4•7(H2O) P 21/c 2/m
 
29.06.10.06 Alpersite! (Mg,Cu)SO4•7H2O P 21/c 2/m
Help on Strunz Class: Strunz Class: 07.CB.35 07 - SULFATES (SELENATES, TELLURATES)
  07.C - Sulfates (selenates, etc.) without Additional Anions, with H2O
  07.CB -With only medium-sized cations
 
07.CB.35 Bieberite CoSO4•7(H2O) P 21/c 2/m
 
07.CB.35 Boothite CuSO4•7(H2O) P 21/c 2/m
 
07.CB.35 Mallardite MnSO4•7(H2O) P 21/c 2/m
 
07.CB.35 Melanterite FeSO4•7(H2O) P 21/c 2/m
 
07.CB.35 Zincmelanterite (Zn,Cu,Fe)SO4•7(H2O) P 21/c 2/m
 
07.CB.35 Alpersite! (Mg,Cu)SO4•7H2O P 21/c 2/m
 

Other Mallardite Information
Help on References: References: NAME( Dana8) 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 Mallardite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

Search for Mallardite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Mallardite :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Mallardite Mineral Data :

Ask about Mallardite 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 Mallardite Specimen Label here :

Mallardite

Mn++SO4•7(H2O)
Dana No: 29.06.10.05 Strunz No: 07.CB.35
Locality:

 

Notes: