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Szenicsite

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About SzenicsiteHide

Terry Szenics
Formula:
Cu3(MoO4)(OH)4
Colour:
Dark green
Lustre:
Adamantine, Pearly
Hardness:
3½ - 4
Crystal System:
Orthorhombic
Name:
Named after Terry (b. 1947) and Marissa (b. 1950) Szenics, American mineral collectors.
Dimorph of:
The szenicsite occurrence was an isolated area, approximately 1 cubic meter in size, wherein the szenicsite occurred in cavities in a matrix rich in molybdenite and Cu-bearing powellite. The cavities were filled with a clay-like material. Outside of the szenicsite zone, the mineralization changed from szenicsite to lindgrenite, with decreasing copper. Thereafter, moving further out, the mineralization was lacking visible copper content and consisted of powellite blebs in the ore. (pers. comm. Terry Szenics to Chet Lemanski, 2006).
Note: the type locality was originally erroneously given as "Tierra Amarilla".


Classification of SzenicsiteHide

Approved
Approval Year:
1993
7.GB.10

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
G : Molybdates, Wolframates and Niobates
B : With additional anions and/or H2O
48.3.5.1

48 : ANHYDROUS MOLYBDATES AND TUNGSTATES
3 : Basic Anhydrous Molybdates and Tungstates

Pronounciation of SzenicsiteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of SzenicsiteHide

Adamantine, Pearly
Transparency:
Transparent, Translucent
Colour:
Dark green
Streak:
Green
Hardness:
3½ - 4 on Mohs scale

Optical Data of SzenicsiteHide

Type:
Biaxial (+)
RI values:
nα = 1.886 nβ = 1.892 nγ = 1.903
2V:
Measured: 74° , Calculated: 74°
Max Birefringence:
δ = 0.017
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r > v strong

Chemical Properties of SzenicsiteHide

Formula:
Cu3(MoO4)(OH)4

Crystallography of SzenicsiteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 8.44 Å, b = 12.52 Å, c = 6.06 Å
Ratio:
a:b:c = 0.674 : 1 : 0.484
Unit Cell V:
640.35 ų (Calculated from Unit Cell)

Type Occurrence of SzenicsiteHide

Place of Conservation of Type Material:
Harvard Mineralogical Museum

Synonyms of SzenicsiteHide

Other Language Names for SzenicsiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Powellite23 photos of Szenicsite associated with Powellite on mindat.org.
Azurite4 photos of Szenicsite associated with Azurite on mindat.org.
Molybdenite2 photos of Szenicsite associated with Molybdenite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

7.GB.05LindgreniteCu3(MoO4)2(OH)2Mon. 2/m : P21/m
7.GB.15CuprotungstiteCu2(WO4)(OH)2Tet. 4 2 2 : P41 21 2
7.GB.15UM1999-38-WO:CrV(V, Cr, W, O, H) [V:Cr:W ratio about 2:1:3]
7.GB.20Phyllotungstite(H2O,M)x(W,Fe)(O,OH)3 · yH2O (M = Ca, Cs, Pb or K)Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
7.GB.25RankachiteCa0.5(V4+,V5+)(W6+,Fe3+)2O8(OH) · 2H2OMon. 2/m : P21/m
7.GB.30FerrimolybditeFe2(MoO4)3 · nH2OOrth. mmm (2/m 2/m 2/m) : Pmmn
7.GB.35AnthoiniteAlWO3(OH)3Tric. 1
7.GB.35MpororoiteWAlO3(OH)3 · 2(H2O)
7.GB.40Obradovicite-KCu[K2(H2O)17Cu(H2O)6][Mo8As2Fe3+3O34(OH)3]Orth. mmm (2/m 2/m 2/m) : Pmna
7.GB.45Mendozavilite-NaFe[Na2(H2O)15Fe3+(H2O)6][Mo8P2Fe3+3O35(OH)2]Mon. 2/m : B2/m
7.GB.45ParamendozaviliteNaAl4Fe7(PO4)5(PMo12O40)(OH)16 · 56H2OMon.
7.GB.50Tancaite-(Ce)FeCe(MoO4)3·3H2O Trig. 3 : R3

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 SzenicsiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Francis, C.A., Pitman, L.C., and Lange, D.E. (1994) Szenicsite, a new mineral from Tierra Amarilla, Chile. The Mineralogical Record: 25: 76.
Jabor, J.L., Grew, E.S., and Roberts, A.C. (1994) New mineral names. American Mineralogist: 79: 1210.
Francis, C.A., Pitman, L.C., and Lange, D.E. (1997) Szenicsite, a new copper molybdate from Inca de Oro, Atacama, Chile. Mineralogical Record: 28: 387-394.
New Minerals (1997) New Minerals 1990-1994.
Jambor, J.L. and Roberts, A.C. (1998) New mineral names. American Mineralogist: 83: 400-403.

Internet Links for SzenicsiteHide

Localities for SzenicsiteHide

ⓘ - 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.
Chile (TL)
 
  • Atacama Region
    • Chañaral Province
      • Inca de Oro
Francis, C.A., Pitman, L.C., Lange, D.E. (1994) Szenicsite, a new mineral from Tierra Amarilla, Chile. The Mineralogical Record, 25:1, 76-76. Jambor, J.L., Roberts, A.C. (1998) New mineral names, American Mineralogist, 83, 400-403. Francis, C.A., Pitman, L.C., Lange, D.E. (1997) Szenicsite a new copper molybdate from Inca de Oro, Atacama, Chile. The Mineralogical Record, 28:5, 387-394.
    • Copiapó Province
      • Tierra Amarilla
        • Las Pintadas district
          • Cerro Pintado
Mike Scott S102238 fm Cureton #CYN ID by A Roberts 1994
USA
 
  • Arizona
    • Gila Co.
      • Globe-Miami District
        • Miami-Inspiration District
          • Top of the World
Confirmed by Raman spectroscopy at the University of Arizona RRUFF sample no. R100179.
Mineral and/or Locality  
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