Gordaite Mineral Data

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


Desert Winds Gems and Minerals
[Mineral Galleries] [About Me] [e-Bay Items] [Latest News] [How to Order]
A Diverse Selection of Beautifully Unique Gem & Mineral Specimens
Desert Winds Gems & Minerals • For All Levels of Collectors Worldwide
Aesthetic & Rare Mineral Specimens • Regular Updates


General Gordaite Information

Help on Chemical Formula: Chemical Formula: NaZn(SO4)(OH)6Cl•6(H2O)
Help on Composition: Composition: Molecular Weight = 626.20 gm
   Sodium     3.67 %  Na    4.95 % Na2O
   Zinc      41.77 %  Zn   51.99 % ZnO
   Hydrogen   2.90 %  H    25.89 % H2O
   Sulfur     5.12 %  S    12.79 % SO3
   Chlorine   5.66 %  Cl    5.66 % Cl
               -   %   Cl   -1.28 % -O=Cl2   
   Oxygen    40.88 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaZn4(SO4)(OH)6Cl•6(H2O)
Help on Environment: Environment: In the oxidation zone of a hydrothermal vein deposit hosted by andesitic rocks.
Help on IMA Status: IMA Status: Approved IMA 1996 (Dana # Added)
Help on Locality: Locality: The San Francisco mine, 2 km northeast of the Sierra Groda Railway Station, in the Sierra Gorda, northeast of Antofagasta, 2nd region, northern Chile. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its locality.
Help on Name Pronunciation: Name Pronunciation: Gordaite Say GORDAITE
Help on Synonym: Synonym: ICSD 406090
  IMA1996-006
 

Gordaite Image

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

Gordaite

Comments: Colorless to white tabular crystals of gordaite on matrix.
Location: Mansfeld Basin, Saxony-Anhalt, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Gordaite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:1.55661
Help on Cell Dimensions: Cell Dimensions: a = 8.363, c = 13.018, Z = 2; V = 788.50 Den(Calc)= 2.64
Help on Crystal System: Crystal System: Trigonal - PyramidalH-M Symbol (3) Space Group: P 3
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 12.95(1), 6.501(0.23), 4.339(0.15),
Click Here for Large Gordaite 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


Adiwidjaja G , Friese K , Klaska K H , Schluter J , Zeitschrift fur Kristallographie , 212 (1997) p.704-707, The crystal structure of gordaite NaZn4(SO4)(OH)6Cl*6H2O, Locality: San Francisco mine, Sierra Gorda, Chile

 

Physical Properties of Gordaite

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Colorless, White.
Help on Density: Density: 2.627
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Fracture: Fracture: Flexible - Flexible fragments.
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Vitreous - Pearly
Help on Streak: Streak: white
 

Optical Properties of Gordaite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.05 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.054 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2081,KPDmeas= 0.2092,KC= 0.2201
Ncalc = 1.58
Help on Optical Data: Optical Data: Uniaxial (-), e=1.5382, w=1.5607, bire=0.0225.
 

Calculated Properties of Gordaite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.60 gm/cc
note: Specific Gravity of Gordaite =2.63 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEGordaite = 20.99 barns/electron
U=PEGordaite x rElectron Density= 54.60 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Gordaite is Not Radioactive
 

Gordaite Classification
Help on Dana Class: Dana Class: 32.04.07.01 (32)Compound Sulfates
  (32.04)(hydrous) with poly-anionic formula
  (32.04.07)Dana Group
 
32.04.07.01 Gordaite! NaZn(SO4)(OH)6Cl•6(H2O) P 3 3
Help on Strunz Class: Strunz Class: 07.DF.50 07 - SULFATES (SELENATES, TELLURATES)
  07.D - Sulfates (selenates, etc.) with additional anions, with H2O
  07.DF -With large and medium-sized cations
 
07.DF.50 Gordaite! NaZn(SO4)(OH)6Cl•6(H2O) P 3 3
 

Other Gordaite Information
Help on References: References: NAME( MinRec) PHYS. PROP.(Am.Min.,Vol.83,p185,1998) OPTIC PROP.(MinRec)
Help on See Also: See Also: Links to other databases for Gordaite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - Handbook of Mineralogy (MinSocAm)
6 - MinDAT
7 - MinMax(Deutsch)
8 - MinMax(English)
9 - Mineralienatlas (Deutsch)
10 - QUT Mineral Atlas
11 - Ruff.Info

Search for Gordaite using:

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

Visit our Advertisers for Gordaite :

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 Gordaite Mineral Data :

Ask about Gordaite 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 Gordaite Specimen Label here :

Gordaite

NaZn(SO4)(OH)6Cl•6(H2O)
Dana No: 32.04.07.01 Strunz No: 07.DF.50
Locality:

 

Notes: