Mineralogy Database

Clinoungemachite Mineral Data

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General Clinoungemachite Information

Help on Chemical  Formula: Chemical Formula: K3Na9Fe+++(SO4)6(OH)3•9(H2O) ?
Help on Composition: Composition: Molecular Weight = 1,169.59 gm
   Potassium  10.03 %  K    12.08 % K2O
   Sodium     17.69 %  Na   23.85 % Na2O
   Iron        4.77 %  Fe    6.83 % Fe2O3
   Hydrogen    1.81 %  H    16.17 % H2O
   Sulfur     16.45 %  S    41.07 % SO3
   Oxygen     49.25 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K3Na9Fe3+(SO4)6(OH)3•9(H2O)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1938
Help on Locality: Locality: Chuquicamata, Chile. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named its crystal form and for Henri-Leon Ungemach (1879-1936), French mineralogist and crystallographer. Secretary of the French Society of Mineralogy from 1919 to 1934.
 

Clinoungemachite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.4774:1:0.7508
Help on Cell Dimensions: Cell Dimensions: a = 7.44, b = 15.583, c = 11.7, Z = 2; beta = 110.18° V = 1,273.20 Den(Calc)= 3.05
Help on Crystal System: Crystal System: Monoclinic Space Group: (pseudo-HEX-R)
 

Physical Properties of Clinoungemachite

Help on Color: Color: Colorless, White, Light yellow.
Help on Diaphaneity: Diaphaneity: Transparent
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: white
 

Optical Properties of Clinoungemachite

Help on Optical Data: Optical Data: NCalc= 1.67 - from Gladstone-Dale relationship (KC = 0.2182) where Ncalc=Dcalc*KC+1
 

Calculated Properties of Clinoungemachite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.06 gm/cc
note: Specific Gravity of Clinoungemachite =3.05 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.002497152
Boson Index = 0.997502848
Help on Photoelectric: Photoelectric: PEClinoungemachite = 3.69 barns/electron
U=PEClinoungemachite x relectron= 11.29 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 145.26 (Gamma Ray American Petroleum Institute Units)
Concentration of Clinoungemachite per GRapi unit = 0.69 (%)

Estimated Radioactivity from Clinoungemachite - barely detectable

 

Clinoungemachite Classification

Help on  Dana Class: Dana Class: 31.07.03.01 (31)Hydrated Sulfates Containing Hydroxyl or Halogen
  (31.07)where (A+ B++)2 (XO4) Zq�x(H2O)
  (31.07.03)Dana Group
 
31.07.03.01 Clinoungemachite K3Na9Fe(SO4)6(OH)3•9(H2O)? (pseudo-HEX-R) Mono
Help on  Strunz Class: Strunz Class: 07.DG.10 07 - SULFATES (SELENATES, TELLURATES)
  07.D - Sulfates (selenates, etc.) with additional anions, with H2O
  07.DG -With large and medium sized cations; with NO3, CO3, B(OH)4, SiO4 or IO3
 
07.DG.10 Clinoungemachite K3Na9Fe(SO4)6(OH)3•9(H2O)? (pseudo-HEX-R) Mono
 
07.DG.10 Humberstonite K3Na7Mg2(SO4)6(NO3)2•6(H2O) R 3 3
 
07.DG.10 Ungemachite K3Na8Fe(SO4)6(NO3)2•6(H2O) R 3 3
 

Other Clinoungemachite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Clinoungemachite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Ecole des Mines de Paris
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info

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

Clinoungemachite

K3Na9Fe+++(SO4)6(OH)3•9(H2O) ?
Dana No: 31.07.03.01 Strunz No: 07.DG.10
Locality:

 

Notes: