General Struvite-(K) Information

Help on Chemical Formula: Chemical Formula: KMg(PO4)•6(H2O)

Help on Composition: Composition: Molecular Weight = 266.47 gm

Potassium 14.67 % K 17.68 % K₂O

Magnesium 9.12 % Mg 15.13 % MgO

Phosphorus 11.62 % P 26.63 % P₂O₅

Hydrogen 4.54 % H 40.56 % H₂O

Oxygen 60.04 % O

______ ______

100.00 % 100.00 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula: KMg(PO₄)•6(H₂O)

Help on Environment: Environment: Found in a dolomitic rock of Triassic age with small cavities, which contain mainly dolomite crystals. Schertelite-struvite group

Help on IMA Status: IMA Status: Approved IMA 2003 (Dana # Added)

Help on Locality: Locality: Lengenbach, Binntal, Valais, Switzerland Link to MinDat.org Location Data.

Help on Name Origin: Name Origin: Named as the K-analogue of struvite

Help on Name Pronunciation: Name Pronunciation: Struvite-(K) Say STRUVITE-(K)

Help on Synonym: Synonym: IMA2003-048

Search for Struvite-(K) Images

Click Here To Search Images:

Struvite-(K) Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.118:1:1.8053

Help on Cell Dimensions: Cell Dimensions: a = 6.903, b = 6.174, c = 11.146, Z = 2; V = 475.03 Den(Calc)= 1.86

Help on Crystal System: Crystal System: Orthorhombic - PyramidalH-M Symbol (mm2) Space Group: P mn2₁

Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/I_o): 4.26(1), 3.27(0.9), 4.14(0.8),2.65(0.7), 1.954(0.5), 2.699(0.5), 2.905(0.5),

Physical Properties of Struvite-(K)

Help on Color: Color: Colorless.

Help on Diaphaneity: Diaphaneity: Transparent

Help on Luster: Luster: Vitreous (Glassy)

Help on Streak: Streak: white

Optical Properties of Struvite-(K)

Help on Gladstone-Dale: Gladstone-Dale: CI calc= -0.05 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2642,KC= 0.2516
Ncalc = 1.47

Help on Optical Data: Optical Data: Biaxial (+), a=1.49, b=1.493,

Calculated Properties of Struvite-(K)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.93 gm/cc
note: Specific Gravity of Struvite-(K) =1.86 gm/cc.

Help on Fermion Index: Fermion Index: Fermion Index = 0.0094338489
Boson Index = 0.9905661511

Help on Photoelectric: Photoelectric: PE_Struvite-(K) = 2.27 barns/electron
U=PE_Struvite-(K) x r_electron= 4.38 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 219.29 (Gamma Ray American Petroleum Institute Units)
Concentration of Struvite-(K) per GRapi unit = 0.46 (%)

Estimated Radioactivity from Struvite-(K) - barely detectable

Struvite-(K) Classification

Help on Dana Class: Dana Class: 40.01.01.02 (40)Hydrated Phosphates, etc

(40.01)where A++ B++ (XO4) ƒL x(H2O)

(40.01.01)Struvite Group

40.01.01.01 Struvite (NH4)MgPO4•6(H2O) P mn2₁ mm2

40.01.01.02 Struvite-(K)! KMg(PO4)•6(H2O) P mn2₁ mm2

40.01.01.03 Hazenite KNaMg2(PO4)2•14H2O Pmnb 2/m 2/m 2/m

Help on Strunz Class: Strunz Class: 08.CH.40 08 - PHOSPHATES, ARSENATES, VANADATES

08.C - Phosphates without Additional Anions, with H2O

08.CH -With large and medium-sized cations, RO4:H2O < 1:1

08.CH.40 Struvite (NH4)MgPO4•6(H2O) P mn2₁ mm2

08.CH.40 Struvite-(K)! KMg(PO4)•6(H2O) P mn2₁ mm2

08.CH.40 Hazenite KNaMg2(PO4)2•14H2O Pmnb 2/m 2/m 2/m

Other Struvite-(K) Information

Help on References: References: NAME( AmMin, 94:403) PHYS. PROP.(AmMin, 94:403) OPTIC PROP.(AmMin, 94:403)

Help on See Also: See Also: Links to other databases for Struvite-(K) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

Search for Struvite-(K) using:

Google

Web webmineral.com

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Struvite-(K) :

A Bijoux Google Search for Struvite-(K)
Adam's Minerals Google Search for Struvite-(K)
Cape Minerals Google Search for Struvite-(K)
Dakota Matrix Minerals Google Search for Struvite-(K)
Excalibur Mineral Corp. Google Search for Struvite-(K)
Exceptional Minerals Google Search for Struvite-(K)
John Betts Fine Minerals Search for Struvite-(K)
McDougall Minerals Google Search for Struvite-(K)
Mineral News Website Link
Rock and Mineral Shows Google Search for Struvite-(K)
Weinrich Minerals, Inc. Google Search for Struvite-(K)

Ask about Struvite-(K) 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 Espa?ol

Print or Cut-and-Paste your Struvite-(K) Specimen Label here :