Panasqueiraite Mineral Data

Panasqueiraite Mineral Data
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General Panasqueiraite Information

Help on Chemical Formula: Chemical Formula: CaMg(PO4)(OH,F)
Help on Composition: Composition: Molecular Weight = 176.86 gm
   Calcium     22.66 %  Ca   31.71 % CaO
   Magnesium   13.74 %  Mg   22.79 % MgO
   Phosphorus  17.51 %  P    40.13 % P2O5
   Hydrogen     0.43 %  H     3.82 % H2O
   Oxygen      42.97 %  O
   Fluorine     2.69 %  F     2.69 % F
                 -   %   F    -1.13 % -O=F2    
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaMg(PO4)(OH)0.75F0.25
Help on Environment: Environment: Rare mineral in vein selvages in a hydrothermal Sn–W deposit.
Help on IMA Status: IMA Status: Approved IMA 1981
Help on Locality: Locality: Panasqueira Sn-W deposit, Portugal. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Panasqueiraite + Pronunciation Say PANASQUEIRAITE
 

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Panasqueiraite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.7466:1:0.7904
Help on Cell Dimensions: Cell Dimensions: a = 6.535, b = 8.753, c = 6.919, Z = 4; beta = 112.33° V = 366.09 Den(Calc)= 3.21
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.626(1), 3.02(0.86), 3.2(0.67),
 

Physical Properties of Panasqueiraite

Help on Cleavage: Cleavage: {010} Indistinct
Help on Color: Color: White, Pink.
Help on Density: Density: 3.27
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Silky - Pearly
Help on Streak: Streak: white
 

Optical Properties of Panasqueiraite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.081 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.064 (Fair) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1871,KPDmeas= 0.1837,KC= 0.1998
Ncalc = 1.64 - 1.65
Help on Optical Data: Optical Data: Biaxial (+), a=1.59, b=1.596, g=1.616, bire=0.0260, 2V(Calc)=58, 2V(Meas)=51.
 

Calculated Properties of Panasqueiraite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.19 gm/cc
note: Specific Gravity of Panasqueiraite =3.21 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEPanasqueiraite = 3.94 barns/electron
U=PEPanasqueiraite x rElectron Density= 12.60 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Panasqueiraite is Not Radioactive
 

Panasqueiraite Classification
Help on Dana Class: Dana Class: 41.05.06.03 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.05)where (A B)2 (XO4) Zq
  (41.05.06)Tilasite Group
 
41.05.06.01 Tilasite CaMg(AsO4)F C 2/c 2/m
 
41.05.06.02 Isokite CaMg(PO4)F C 2/c 2/m
 
41.05.06.03 Panasqueiraite CaMg(PO4)(OH,F) C 2/c 2/m
Help on Strunz Class: Strunz Class: 08.BH.10 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BH -With medium-sized and large cations, (OH,etc.):RO4 = 1:1
 
08.BH.10 Durangite NaAl(AsO4)F C 2/c 2/m
 
08.BH.10 Isokite CaMg(PO4)F C 2/c 2/m
 
08.BH.10 Lacroixite NaAl(PO4)F C 2/c 2/m
 
08.BH.10 Maxwellite NaFe(AsO4)F Aa,A2/a Mono
 
08.BH.10 Panasqueiraite CaMg(PO4)(OH,F) C 2/c 2/m
 
08.BH.10 Tilasite CaMg(AsO4)F C 2/c 2/m
 

Other Panasqueiraite 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 Panasqueiraite :
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

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Panasqueiraite

CaMg(PO4)(OH,F)
Dana No: 41.05.06.03 Strunz No: 08.BH.10
Locality:

 

Notes: