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Znucalite

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About ZnucaliteHide

Formula:
Zn12Ca(UO2)(CO3)3(OH)22 · 4H2O
Colour:
White to light yellow
Lustre:
Silky
Crystal System:
Orthorhombic
Name:
Named in 1990 by Petr Ondruš, František Veselovský, and R. Rybka for its chemical composition containing Zinc (Zn), Uranium (U) and Calcium (Ca).
This page provides mineralogical data about Znucalite.


Classification of ZnucaliteHide

Approved
Approval Year:
1989
5.ED.45

5 : CARBONATES (NITRATES)
E : Uranyl Carbonates
D : UO2:CO3 = 1:3
16b.7.14.1

16b : HYDRATED CARBONATES CONTAINING HYDROXYL OR HALOGEN
7 : Miscellaneous
11.11.20

11 : Carbonates
11 : Carbonates of Cr and U

Physical Properties of ZnucaliteHide

Silky
Transparency:
Translucent
Colour:
White to light yellow

Optical Data of ZnucaliteHide

Type:
Biaxial (-)
RI values:
nα = 1.563 nβ = 1.621 nγ = 1.621
2V:
Measured: 50° to 66°
Max Birefringence:
δ = 0.058
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
strong

Chemical Properties of ZnucaliteHide

Formula:
Zn12Ca(UO2)(CO3)3(OH)22 · 4H2O
IMA Formula:
CaZn11(UO2)(CO3)3(OH)20 · 4H2O

Crystallography of ZnucaliteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 10.72 Å, b = 25.16 Å, c = 6.32 Å
Ratio:
a:b:c = 0.426 : 1 : 0.251
Unit Cell V:
1,704.60 ų (Calculated from Unit Cell)

Type Occurrence of ZnucaliteHide

Synonyms of ZnucaliteHide

Other Language Names for ZnucaliteHide

German:Znucalit
Spanish:Znucalita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Hydrozincite4 photos of Znucalite associated with Hydrozincite on mindat.org.
Calcite4 photos of Znucalite associated with Calcite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

5.ED.05BayleyiteMg2(UO2)(CO3)3 · 18H2OMon.
5.ED.10SwartziteMgCa(UO2)(CO3)3 · 12H2OMon. 2/m : P21/m
5.ED.15AlbrechtschraufiteCa4Mg(UO2)2(CO3)6F2 · 17-18H2OTric. 1 : P1
5.ED.20LiebigiteCa2(UO2)(CO3)3 · 11H2OOrth. mm2
5.ED.25RabbittiteCa3Mg3(UO2)2(CO3)6(OH)4 · 18H2OMon.
5.ED.30AndersoniteNa2Ca(UO2)(CO3)3 · 6H2OTrig. 3 : R3
5.ED.35GrimseliteK3Na(UO2)(CO3)3 · H2OHex.
5.ED.40WidenmannitePb2(OH)2[(UO2)(CO3)2]Orth.
5.ED.50ČejkaiteNa4(UO2)(CO3)3Tric.
5.ED.50AgricolaiteK4(UO2)(CO3)3Mon. 2/m : B2/b

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

11.11.1StichtiteMg6Cr3+2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m) : R3m
11.11.2Rutherfordine(UO2)CO3Orth. mm2 : Imm2
11.11.3Joliotite(UO2)CO3 · nH2OOrth.
11.11.4GrimseliteK3Na(UO2)(CO3)3 · H2OHex.
11.11.5BayleyiteMg2(UO2)(CO3)3 · 18H2OMon.
11.11.6MetazelleriteCa(UO2)(CO3)2 · 3H2OOrth.
11.11.7ZelleriteCa(UO2)(CO3)2 · 5H2OOrth.
11.11.8WyartiteCaU5+(UO2)2(CO3)O4(OH) · 7H2OOrth.
11.11.9UrancalcariteCa(UO2)3(CO3)(OH)6 · 3H2OOrth.
11.11.10SharpiteCa(UO2)3(CO3)4 · 3H2OOrth. mmm (2/m 2/m 2/m) : Cmcm
11.11.11VogliteCa2Cu(UO2)(CO3)4 · 6H2OMon.
11.11.12AndersoniteNa2Ca(UO2)(CO3)3 · 6H2OTrig. 3 : R3
11.11.13SwartziteMgCa(UO2)(CO3)3 · 12H2OMon. 2/m : P21/m
11.11.14RabbittiteCa3Mg3(UO2)2(CO3)6(OH)4 · 18H2OMon.
11.11.15Kamotoite-(Y)Y2(UO2)4(CO3)3O4 · 14H2OMon. 2/m
11.11.16Shabaite-(Nd)Ca(Nd,Sm,Y)2(UO2)(CO3)4(OH)2 · 6H2O
11.11.17Astrocyanite-(Ce)Cu2(Ce,Nd,La)2(UO2)(CO3)5(OH)2 · 1.5H2OHex.
11.11.18Bijvoetite-(Y)Y8(UO2)16(CO3)16O8(OH)8 · 39H2OMon.
11.11.19WidenmannitePb2(OH)2[(UO2)(CO3)2]Orth.

Fluorescence of ZnucaliteHide

Yellow-green fluorescence (UV)

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 ZnucaliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Neues Jahrbuch für Mineralogie, Monatshefte (1990): 393-400.
American Mineralogist (1994): 79: 1214.
New Minerals (1997) New Minerals 1990-1994.

Internet Links for ZnucaliteHide

Localities for ZnucaliteHide

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.
Czech Republic (TL)
 
  • Central Bohemia Region
    • Příbram
      • Březové Hory ore region (Birkenberg)
        • Černojamské deposit (Black pits deposit)
Neues Jahrb. Mineral., Monatsh. (1991), 393–400
      • Háje
Plášil, J. et al.: Supergenní mineralizace z haldy šachty č. 16 Příbram - Háje. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 2008, vol. 16, 1, 43-55.
Plášil J., Sejkora J., Čejka J., Škácha P., Goliáš V., Pavlíček R., Hofman P. (2008): Supergenní mineralizace z haldy šachty č. 16 Příbram - Háje. - Bull. mineral.-petrolog. Odd. Nár. Muz. (Praha) 16/1, 43-55. ISSN: 1211-0329.
  • Karlovy Vary Region
    • Krušné Hory Mts (Erzgebirge)
      • Jáchymov District (St Joachimsthal)
Lapis 2002(7/8), 63-65
Brent Thorne specimen. SXRD analyzed and acquired from Czechmin (Jakob Plasil).
France
 
  • Occitanie
    • Hérault
      • Lodève
[MinRec 23:434]
Germany
 
  • Saxony
    • Erzgebirge
      • Glashütte
        • Bärenhecke
Wittern: "Mineralfundorte in Deutschland", 2001
Switzerland
 
  • Wallis (Valais)
    • Le Trient Valley
      • Finhaut
        • Giétroz
Meisser, N. (2012): La minéralogie de l'uranium dans le massif des Aiguilles Rouges. Matér. Géol. Suisse, Sér. géotech. 96, 183 p.
USA
 
  • New Jersey
    • Sussex Co.
      • Franklin mining district
        • Ogdensburg
          • Sterling Hill
Bostwick, R.C.: The Picking Table:32(2):4-6 (1991); Ondrush, P. & Veselovsky, F. (authors) confirmed analysis (personal comm. with C.S. Lemanski, Jr.); Dunn(1995):Pt4:626.
Mineral and/or Locality  
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