Canaphite Mineral Data
General Canaphite Information
Chemical Formula:
CaNa2P2O7•4(H2O)
Composition:
Molecular Weight = 332.06 gm
Sodium 13.85 % Na 18.66 % Na2 O
Calcium 12.07 % Ca 16.89 % CaO
Phosphorus 18.66 % P 42.75 % P2 O5
Hydrogen 2.43 % H 21.70 % H2 O
Oxygen 53.00 % O
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
CaNa2 (P2 O7 )•4(H2 O)
Environment:
On a museum micromount specimen presumably from a trap-rock quarry.
IMA Status:
Approved IMA 1988
Locality:
Attributed to [Braens quarry,] Haledon [or Great Notch quarry, near Little Falls], Passaic Co., New Jersey, USA. Link to MinDat.org Location Data.
Name Origin:
For Calcium, sodium, Natrium, and Phosphate in the composition.
Synonym:
ICSD 202523
PDF 38-410
Canaphite Crystallography
Axial Ratios:
a:b:c =1.2416:1:0.6689
Cell Dimensions:
a = 10.529, b = 8.48, c = 5.673, Z = 2; beta = 106.13° V = 486.58 Den(Calc)= 2.27
Crystal System:
Monoclinic - Domatic H-M Symbol (m) Space Group: Pa
X Ray Diffraction:
By Intensity(I/Io ): 3.06(1), 2.608(0.9), 5.44(0.8),
Physical Properties of Canaphite
Cleavage:
{010} Perfect
Color:
Colorless.
Density:
2.24
Diaphaneity:
Transparent
Hardness:
2 - Gypsum
Luster:
Vitreous (Glassy)
Streak:
white
Optical Properties of Canaphite
Gladstone-Dale:
CI meas = -0.005 (Superior) - where the CI = (1-KPDmeas /KC ) CI calc = 0.008 (Superior) - where the CI = (1-KPDcalc /KC )
KPDcalc = 0.2211,KPDmeas = 0.2241,KC = 0.2229 Ncalc = 1.5 - 1.51
Optical Data:
Biaxial (-), a=1.496, b=1.504, g=1.506, bire=0.0100, 2V(Calc)=52, 2V(Meas)=52.
Calculated Properties of Canaphite
Electron Density:
Bulk Density (Electron Density)=2.27 gm/cc note: Specific Gravity of Canaphite =2.24 gm/cc.
Fermion Index:
Fermion Index = 0.0004209806 Boson Index = 0.9995790194
Photoelectric:
PECanaphite = 2.62 barns/electronU=PECanaphite x r Electron Density= 5.94 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Canaphite is Not Radioactive
Canaphite Classification
Dana Class:
40.05.11.01 (40) Hydrated Phosphates, etc
(40.05) with miscellaneous formulae
(40.05.11) Dana Group
40.05.11.01 Canaphite CaNa2P2O7•4(H2O) Pa m
Strunz Class:
08.FC.10 08 - PHOSPHATES, ARSENATES, VANADATES
08.F - Polyphosphates, Polyarsenates, [4]-Polyvanadates
08.FC -Polyphosphates, etc., with H2O only
08.FC.10 Canaphite CaNa2P2O7•4(H2O) Pa m
Other Canaphite Information
References:
NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
See Also:
Links to other databases for Canaphite :
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
15 - WWW-MINCRYST
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Canaphite
CaNa2P2O7•4(H2O)
Dana No: 40.05.11.01 Strunz No: 08.FC.10
Locality:
Notes:
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