Sabieite Mineral Data

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



[Content and History] [Recent Issues] [Back Issues] [Subscriptions] [Contacts]
See Also: [Diamond Crystals] [Excalibur Minerals] [Hudson Institute] [Minerals on CDROM]
Mineral News was founded some twenty years ago and has developed a following of
avid mineral collectors seeking timely information about new finds and other items
of interest to the collector community. Articles are solicited from collector and scientific authors.


General Sabieite Information

Help on Chemical Formula: Chemical Formula: (NH4)Fe+++(SO4)2
Help on Composition: Composition: Molecular Weight = 266.01 gm
   Iron      20.99 %  Fe   30.02 % Fe2O3
   Hydrogen   1.52 %  H      -   % Calc as (NH4)2O
   Sulfur    24.11 %  S    60.20 % SO3
   Nitrogen   5.27 %  N     9.79 % (NH4)2O
   Oxygen    48.12 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: (NH4)Fe3+(SO4)2
Help on Environment: Environment: Derived from the dehydration of lonecreekite.
Help on IMA Status: IMA Status: Approved IMA 1983
Help on Locality: Locality: Lone Creek cavern, near Sabie, Transvaal, South Africa. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Sabieite Say SABIEITE
 

Sabieite Image

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

Sabieite

Comments: Massive, porous aggregate of sabieite.
Location: Carola Mine, Freital, Dresden, Saxony, Germany. Scale: Picture size 4.5 cm.
© Thomas Witzke / Abraxas-Verlag

Sabieite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.69423
Help on Cell Dimensions: Cell Dimensions: a = 4.822, c = 8.1696, Z = 1; V = 164.51 Den(Calc)= 2.68
Help on Crystal System: Crystal System: Trigonal - TrapezohedralH-M Symbol (3 2) Space Group: P 321
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 8.19(1), 2.409(0.3), 3.72(0.2),
 

Physical Properties of Sabieite

Help on Color: Color: White.
Help on Density: Density: 2.68 - 2.69, Average = 2.68
Help on Diaphaneity: Diaphaneity: Transparent
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Habit: Habit: Powdery - Forms a loose, poorly-coherent pulverulent mass.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Earthy (Dull)
Help on Streak: Streak: white
 

Optical Properties of Sabieite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.086 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.088 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2188,KPDmeas= 0.2184,KC= 0.2011
Ncalc = 1.54
Help on Optical Data: Optical Data: Uniaxial (+), w=1.578, e=1.595, bire=0.0170.
 

Calculated Properties of Sabieite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.68 gm/cc
note: Specific Gravity of Sabieite =2.69 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PESabieite = 7.60 barns/electron
U=PESabieite x rElectron Density= 20.39 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sabieite is Not Radioactive
 

Sabieite Classification
Help on Dana Class: Dana Class: 28.03.05.01 (28)Anhydrous Acid and Sulfates
  (28.03)(A++) XO4
  (28.03.05)Dana Group
 
28.03.05.01 Sabieite (NH4)Fe(SO4)2 P 321 3 2
 
28.03.05.02 Godovikovite (NH4)(Al,Fe)(SO4)2 P 321 3 2
Help on Strunz Class: Strunz Class: 07.AC.20 07 - SULFATES (SELENATES, TELLURATES)
  07.A - Sulfates (selenates, etc.) without Additional Anions, without H2O
  07.AC -With medium-sized and large cations
 
07.AC.20 Godovikovite (NH4)(Al,Fe)(SO4)2 P 321 3 2
 
07.AC.20 Sabieite (NH4)Fe(SO4)2 P 321 3 2
 

Other Sabieite 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 Sabieite :
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 Sabieite using:

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

Visit our Advertisers for Sabieite :

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 Sabieite Mineral Data :

Ask about Sabieite 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 Sabieite Specimen Label here :

Sabieite

(NH4)Fe+++(SO4)2
Dana No: 28.03.05.01 Strunz No: 07.AC.20
Locality:

 

Notes: