Mineralogy Database

Phosphorrosslerite Mineral Data

Search Webmineral :

General Phosphorrosslerite Information

Help on Chemical  Formula: Chemical Formula: Mg(PO3OH)•7(H2O)
Help on Composition: Composition: Molecular Weight = 246.39 gm
   Magnesium    9.86 %  Mg   16.36 % MgO
   Phosphorus  12.57 %  P    28.80 % P2O5
   Hydrogen     6.14 %  H    54.84 % H2O
   Oxygen      71.43 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mg(PO3OH)•7(H2O)
Help on Environment: Environment: Cold (10 deg C) wet muck in an abandoned mine.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1939
Help on Locality: Locality: St�ublbau works, Schellgaden, Austria. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the phosphate analog of rosslerite.
Help on Name Pronunciation: Name Pronunciation: Phosphorrosslerite + Pronunciation Say PHOSPHORROSSLERITE

Phosphorrosslerite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.457:1:0.261
Help on Cell Dimensions: Cell Dimensions: a = 11.61, b = 25.4, c = 6.63, Z = 8; beta = 94.77° V = 1,948.38 Den(Calc)= 1.68
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: A2/a

Physical Properties of Phosphorrosslerite

Help on Color: Color: Colorless, Yellowish.
Help on Density: Density: 1.725
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 2.5 - Finger Nail
Help on Luster: Luster: Vitreous (Glassy)

Optical Properties of Phosphorrosslerite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.029 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.057 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2873,KPDmeas= 0.2798,KC= 0.2719
Ncalc = 1.46 - 1.47
Help on Optical Data: Optical Data: Biaxial (-), a=1.477, b=1.485, g=1.486, bire=0.0090, 2V(Calc)=38, 2V(Meas)=38.33.

Calculated Properties of Phosphorrosslerite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=1.82 gm/cc
note: Specific Gravity of Phosphorrosslerite =1.73 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEPhosphorrosslerite = 0.97 barns/electron
U=PEPhosphorrosslerite x rElectron Density= 1.77 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Phosphorrosslerite is Not Radioactive

Phosphorrosslerite Classification

Help on  Dana Class: Dana Class: (39)Hydrated Acid Phosphates, etc
  (39.01)A+ [HXO4] � x(H2O)
  (39.01.09)Dana Group Rosslerite Mg(AsO3OH)•7(H2O) A2/a 2/m Phosphorrosslerite Mg(PO3OH)•7(H2O) A2/a 2/m
Help on  Strunz Class: Strunz Class: 08.CE.20 08 - PHOSPHATES, ARSENATES, VANADATES
  08.C - Phosphates without Additional Anions, with H2O
  08.CE -With only medium-sized cations, RO4:H2O � 1:2.5
08.CE.20 Rosslerite Mg(AsO3OH)•7(H2O) A2/a 2/m
08.CE.20 Phosphorrosslerite Mg(PO3OH)•7(H2O) A2/a 2/m

Other Phosphorrosslerite Information

Help on References: References: NAME( AntBidBlaNic4) 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 Phosphorrosslerite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

Search for Phosphorrosslerite using:

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

Visit our Advertisers for Phosphorrosslerite :

Ask about Phosphorrosslerite 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 Espaol

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


Dana No: Strunz No: 08.CE.20





Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.