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Pseudolyonsite

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About PseudolyonsiteHide

Formula:
Cu3(VO4)2
Colour:
Dark red with a brownish tint to black
Crystal System:
Monoclinic
Name:
For the relation to lyonsite to which it is visually similar.
Dimorph of:
Known as a synthetic compound. Possibly also polymorphous with borisenkoite.


Classification of PseudolyonsiteHide

Approved
Approval Year:
2009
8.AB.35

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
B : With medium-sized cations
38.3.8.4

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
3 : (AB)3(XO4)2

Physical Properties of PseudolyonsiteHide

Colour:
Dark red with a brownish tint to black

Chemical Properties of PseudolyonsiteHide

Formula:
Cu3(VO4)2

Crystallography of PseudolyonsiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Setting:
P1 21/c 1
Cell Parameters:
a = 6.2695(4) Å, b = 8.0195(3) Å, c = 6.3620(3) Å
β = 111.96(1)°
Ratio:
a:b:c = 0.782 : 1 : 0.793
Unit Cell V:
296.66 ų
Z:
2

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.70 (60)
3.30 (79)
3.22 (87)
3.18 (34)
2.894 (74)
2.761 (100)
2.479 (59)
2.419 (67)

Type Occurrence of PseudolyonsiteHide

Synonyms of PseudolyonsiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Piypite2 photos of Pseudolyonsite associated with Piypite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

8.AB.BorisenkoiteCu3[(V,As)O4]2Mon. 2/m : P21/b
8.AB.05FarringtoniteMg3(PO4)2Mon. 2/m
8.AB.10FerrisickleriteLi1-x(Fe3+xFe2+1-x)PO4Orth.
8.AB.10Heterosite(Fe3+,Mn3+)PO4Orth. mmm (2/m 2/m 2/m) : Pmna
8.AB.10LithiophiliteLiMn2+PO4Orth. mmm (2/m 2/m 2/m) : Pmna
8.AB.10NatrophiliteNaMn2+PO4Orth. mmm (2/m 2/m 2/m) : Pmna
8.AB.10Purpurite(Mn3+,Fe3+)PO4Orth. mmm (2/m 2/m 2/m) : Pmna
8.AB.10SickleriteLi1-x(Mn3+xMn2+1-x)PO4Orth.
8.AB.10SimferiteLi(Mg,Fe3+,Mn3+)2(PO4)2Orth.
8.AB.10TriphyliteLiFe2+PO4Orth. mmm (2/m 2/m 2/m) : Pmna
8.AB.10KarenwebberiteNa(Fe2+,Mn2+)PO4Orth. mmm (2/m 2/m 2/m) : Pnma
8.AB.15Sarcopside(Fe2+,Mn2+,Mg)3(PO4)2Mon. 2/m : P21/b
8.AB.15Chopinite(Mg,Fe2+)3(PO4)2Mon. 2/m : P21/b
8.AB.20BeusiteMn2+Mn2+2 (PO4)2Mon.
8.AB.20GraftoniteFe2+Fe2+2(PO4)2Mon. 2/m : P21/b
8.AB.25XanthiositeNi3(AsO4)2Mon. 2/m : P21/b
8.AB.30LammeriteCu3(AsO4)2Mon.
8.AB.30Lammerite-βCu3(AsO4)2Mon. 2/m : P21/b
8.AB.35McbirneyiteCu3(VO4)2Tric.
8.AB.35StranskiiteZn2Cu(AsO4)2Tric. 1 : P1
8.AB.40LyonsiteCu3Fe4(VO4)6Orth.

Related Minerals - Dana Grouping (8th Ed.)Hide

38.3.8.1LammeriteCu3(AsO4)2Mon.
38.3.8.2Lammerite-βCu3(AsO4)2Mon. 2/m : P21/b

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 PseudolyonsiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Zelenski, M.E., Zubkova, N.V., Pekov, I.V., Boldyreva, M.M., Pushcharovsky, D.Yu., Nekrasov, A.N. (2011): Pseudolyonsite, Cu3(VO4)2, a new mineral species from the Tolbachik volcano, Kamchatka Peninsula, Russia. European Journal of Mineralogy, 23, 475-481.

Internet Links for PseudolyonsiteHide

Localities for PseudolyonsiteHide

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.
Russia (TL)
 
  • Far-Eastern Region
    • Kamchatka Oblast'
Zelenski, M.E., Zubkova, N.V., Pekov, I.V., Boldyreva, M.M., Pushcharovsky, D.Yu., Nekrasov, A.N. (2011): Pseudolyonsite, Cu3(VO4)2, a new mineral species from the Tolbachik volcano, Kamchatka Peninsula, Russia. European Journal of Mineralogy, 23, (in press).
        • Great Fissure eruption (Main Fracture)
          • Northern Breakthrough (North Breach)
            • Second scoria cone
In the collection of Brent Thorne.; Zelenski, M.E., Zubkova, N.V., Pekov, I.V., Polekhovsky, Yu.S. & Pushcharovsky, D.Yu. (2012): Cupromolybdite, Cu3O(MoO4)2, a new fumarolic mineral from the Tolbachik volcano, Kamchatka Peninsula, Russia. European Journal of Mineralogy, 24, 749-757.
Mineral and/or Locality  
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