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Canaphite

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Formula:
Na2Ca(P2O7) · 4H2O
Colour:
Colourless
Lustre:
Vitreous
Hardness:
2
Crystal System:
Monoclinic
Name:
Named in 1985 by Donald Ralph Peacor, Pete J. Dunn, William B. Simmons, and Fred John Wicks after its composition, containing CAlcium, sodium (Latin = NAtrium), and PHophorus.
The mineral consists of tiny colorless needles (to about 100 +/- microns) completely covering pieces of stilbite. The type material came from mineral collector, Sid Steris, who on being told of its being named a new mineral revealed that he had cleaned the lot is a mild phosphoric acid solution and who believed the efflorescence of needles were just a result of chemical cleaning of the stilbite.


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Classification of CanaphiteHide

Approved
Approval Year:
1983
8.FC.10

8 : PHOSPHATES, ARSENATES, VANADATES
F : Polyphosphates, Polyarsenates, [4]-Polyvanadates
C : Polyphosphates, etc., with H2O only
40.7.4.

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
7 : Miscellaneous
19.4.6

19 : Phosphates
4 : Phosphates of Ca

Physical Properties of CanaphiteHide

Vitreous
Colour:
Colourless
Streak:
White
Hardness:

Optical Data of CanaphiteHide

Type:
Biaxial (-)
RI values:
nα = 1.496 nβ = 1.504 nγ = 1.506
2V:
Measured: 52° , Calculated: 52°
Max Birefringence:
δ = 0.010
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Low
Dispersion:
relatively weak

Chemical Properties of CanaphiteHide

Formula:
Na2Ca(P2O7) · 4H2O
IMA Formula:
Na2CaP2O7 · 4H2O

Crystallography of CanaphiteHide

Crystal System:
Monoclinic

Type Occurrence of CanaphiteHide

Synonyms of CanaphiteHide

Other Language Names for CanaphiteHide

German:Canaphit
Spanish:Canaphita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Stilbite2 photos of Canaphite associated with Stilbite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.FC.05FianeliteMn2+2((V,As)2O7) · 2H2OMon.
8.FC.15PintadoiteCa2(V2O7) · 9H2O
8.FC.20Arnhemite(K,Na)4Mg2(P2O7)2 · 5H2OHex.
8.FC.25WooldridgeiteNa2CaCu2+2(P2O7)2 · 10H2OOrth.
8.FC.30KanoneroviteNa3Mn2+(P3O10) · 12H2OMon. 2/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.4.1MonetiteCa(HPO4)Tric. 1
19.4.2HydroxylapatiteCa5(PO4)3(OH)Hex. 6/m : P63/m
19.4.3BrushiteCa(HPO4) · 2H2OMon. 2/m : B2/b
19.4.4IsoclasiteCa2(PO4)(OH) · 2H2OMon.
19.4.5BuchwalditeNaCa(PO4)Orth. mm2 : Pmn21
19.4.7Mundrabillaite(NH4)2Ca(HPO4)2 · H2OMon. m : Pm
19.4.8WhitlockiteCa9Mg(PO4)6(HPO4)Trig. 3m : R3c
19.4.9BrianiteNa2CaMg(PO4)2Mon. 2/m : P21/b
19.4.10Petersite-(Y)(Y,Ce,Nd)Cu6(PO4)3(OH)6 · 3H2OHex.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for CanaphiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist: 73: 168-171.
Mineralogical Record: 16: 467-468.

Internet Links for CanaphiteHide

Localities for CanaphiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Spain
 
  • Castile-La Mancha
    • Cuenca
Handbook of Mineralogy
USA
 
  • New Jersey
    • Passaic Co.
      • Haledon
Handbook of Mineralogy
      • Little Falls Township
        • Great Notch
Peacor, et al (1985), Steriss, et al (1987)
Mineral and/or Locality  
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