Iquiqueite Mineral Data

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



[Newest Minerals] [Equipment] [Analytical Services] [About Us] [Mineral Gallery] [eBay Store]
See Also: [Diamond Crystals] [Mineral News] [Hudson Institute] [Minerals on CDROM]
Rare Minerals, Meteorites, Equipment and Analytical Services
Excalibur Mineral Company, World leaders in the supply of rare species
Serving the scientific and collector communities since 1974


General Iquiqueite Information

Help on Chemical Formula: Chemical Formula: K3Na4Mg(Cr++++++O4)B24O39(OH)•12(H2O)
Help on Composition: Composition: Molecular Weight = 1,466.16 gm
   Potassium   8.00 %  K     9.64 % K2O
   Sodium      6.27 %  Na    8.45 % Na2O
   Magnesium   1.66 %  Mg    2.75 % MgO
   Chromium    3.55 %  Cr    6.82 % CrO3
   Boron      17.70 %  B    56.98 % B2O3
   Hydrogen    1.72 %  H    15.36 % H2O
   Oxygen     61.11 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K3Na4Mg(CrO4)B24O39(OH)•12(H2O)
Help on Environment: Environment: Generally disseminated in nitratine ore.
Help on IMA Status: IMA Status: Approved IMA 1986
Help on Locality: Locality: Iquique, Tarapaca Province, Chile. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality
Help on Name Pronunciation: Name Pronunciation: Iquiqueite + Pronunciation Say IQUIQUEITE
 

Iquiqueite Image

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

Iquiqueite   Nitratine

Comments: Yellow iquiqueiite in clear, massive nitration.
Location: Salar de Miraje, Antofagasta, Chile. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Iquiqueite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:2.59158
Help on Cell Dimensions: Cell Dimensions: a = 11.6369, c = 30.158, Z = 3; V = 3,536.78 Den(Calc)= 2.06
Help on Crystal System: Crystal System: Trigonal - Ditrigonal PyramidalH-M Symbol (3m) Space Group: P 31c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.856(1), 3.02(1), 10.11(0.85),
 

Physical Properties of Iquiqueite

Help on Cleavage: Cleavage: {0001} Perfect, {0110} Indistinct
Help on Color: Color: Yellow.
Help on Density: Density: 2.05
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Vitreous (Glassy)
Help on Streak: Streak: yellow white
 

Optical Properties of Iquiqueite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.028 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.032 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2303,KPDmeas= 0.2315,KC= 0.238
Ncalc = 1.49
Help on Optical Data: Optical Data: Uniaxial (-), e=1.447, w=1.502, bire=0.0550.
 

Calculated Properties of Iquiqueite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.04 gm/cc
note: Specific Gravity of Iquiqueite =2.05 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.04
Boson Index = 0.96
Help on Photoelectric: Photoelectric: PEIquiqueite = 1.95 barns/electron
U=PEIquiqueite x relectron= 3.98 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 114.94 (Gamma Ray American Petroleum Institute Units)
Concentration of Iquiqueite per GRapi unit = 0.87 (%)

Estimated Radioactivity from Iquiqueite - barely detectable

 

Iquiqueite Classification
Help on Dana Class: Dana Class: 27.01.08.01 (27)Compound Borates
  (27.01)Dana Type
  (27.01.08)Dana Group
 
27.01.08.01 Iquiqueite K3Na4Mg(CrO4)B24O39(OH)•12(H2O) P 31c 3m
Help on Strunz Class: Strunz Class: 06.HA.20 06 - BORATES
  06.H - Unclassified Borates
  06.HA -Unclassified borates
 
06.HA.20 Iquiqueite K3Na4Mg(CrO4)B24O39(OH)•12(H2O) P 31c 3m
 

Other Iquiqueite 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 Iquiqueite :
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

Search for Iquiqueite using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [bing] [GeoScienceWorld] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Iquiqueite :

B & L Fine Minerals

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

John Betts Fine Minerals

Lapis Mineral Journal

Mineral News

UV Tools

Wrights Rock Shop

Translate Iquiqueite Mineral Data :

Ask about Iquiqueite 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 Iquiqueite Specimen Label here :

Iquiqueite

K3Na4Mg(Cr++++++O4)B24O39(OH)•12(H2O)
Dana No: 27.01.08.01 Strunz No: 06.HA.20
Locality:

 

Notes: