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(Ca,Na)2(UO2)3Mo2(O,OH)11 · nH2O
Named in allusion to its chemical composition, containing CALCium, URanium and MOLybdenum.
This page provides mineralogical data about Calcurmolite.

Classification of Calcurmolite

Explanation of status:
Mineral data revised, see New Data on Minerals 2005 (Vol 40) p29

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
H : Uranium and uranyl molybdates and wolframates
B : With U6+

3 : Hydrated Molybdates and Tungstates Containing Hydroxyl or Halogen

27 : Sulphites, Chromates, Molybdates and Tungstates
3 : Molybdates URL:
Please feel free to link to this page.

Type Occurrence of Calcurmolite

Year of Discovery:

Optical Data of Calcurmolite

Biaxial (-)
RI values:
nα = 1.770 nβ = 1.816 nγ = 1.856
Max Birefringence:
δ = 0.086
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High
r > v distinct

Chemical Properties of Calcurmolite

(Ca,Na)2(UO2)3Mo2(O,OH)11 · nH2O
All elements listed in formula:

Relationship of Calcurmolite to other Species

7.HB.20TengchongiteCaO · 6UO3 · 2MoO3 · 12H2O
7.HB.25Uranotungstite(Fe2+,Ba,Pb)(UO2)2(WO4)(OH)4 · 12H2O
27.3.7Iriginite(UO2)Mo2O7 · 3H2O
27.3.8Umohoite(UO2)MoO4 · 2H2O
27.3.9MoluraniteH4U4+(UO2)3(MoO4)7 · 18H2O
27.3.10CousiniteMgU2Mo2O11 · 6H2O
27.3.12TengchongiteCaO · 6UO3 · 2MoO3 · 12H2O
27.3.14FerrimolybditeFe2(MoO4)3 · nH2O

Other Names for Calcurmolite

Name in Other Languages:

Other Information

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 Calcurmolite

Reference List:
New Data on Minerals (2005): 40: 29.

American Mineralogist: 49: 1152.

Proceedings of the Second UN International Conference on the Peaceful Uses of Atomic Energy, Genève (1958): 3: 160-161.

Internet Links for Calcurmolite

Localities for Calcurmolite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Armenia (TL)
  • Syunik' Province
    • Kafan District
      • Upper Okhca River
        • Kadzharan Molybdenum Deposit
American Mineralogist, 49, pp. 1152 (1964); Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Galina A. Sidorenko et al (2005) New Data on Minerals Vol 40 pp29-36
  • Yunnan Province
    • Baoshan Prefecture
      • Tengchong Co.
Chen Zhangru, Luo Keding, Tan Falan, Zhang Yi, and Gu Xiaofa (1986): Kexue Tongbao [Science Bulletin] 31, 396-401.
    • Dehong Autonomous Prefecture
      • Yingjiang Co.
        • Tongbiguan
Chen Zhangru, Huang Yuzhu, and Gu Xiaofa (1990): A new uranium mineral - Yingjiangite. Acta Mineralogica Sinica 10(2), 102-105.
  • Franche-Comté
    • Haute-Saône
      • Château-Lambert
Meisser, N. (1994): Mineraltopographie der Schweiz und der umliegenden Länder: Beschreibung kürzlich entdeckter seltener oder erstgefundener Mineralien. 2. Teil. Schweizer Strahler, 10 (XXVIII) (2), 51-60; Le Règne Minéral, Hors Série IV, 1998
  • Languedoc-Roussillon
    • Hérault
      • Lodève
[Le Cahier des Micromonteurs, 1998, 2, p.13-26]
[Le Règne Minéral 1997, 13, p.5-18]; Bariand, P., Bachet, B., Brassy, C., Medenbach, O., Deliens, M., Vautier, R., & Piret, P. (1993) A New Uranium Mineral from the Talmessi Mine, Iran, and Rabejac, France. Mineral. Rec.: 24: 463-467
  • Almaty Province (Almaty Oblysy; Almati Oblast')
    • Chu-Ili Mts
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Galina A. Sidorenko et al (2005) New Data on Minerals Vol 40 pp29-36
  • Eastern-Siberian Region
    • Transbaikalia (Zabaykalye)
      • Chitinskaya Oblast'
        • Krasnokamensk
          • Strel'tsovskoe Mo-U ore field
Pavel M. Kartashov data
  • Far-Eastern Region
    • Khabarovskiy Kray
      • Bureya Massif
Pavel M. Kartashov analytical data (2012)
  • Michigan
    • Gogebic Co.
      • Watersmeet
Travis Olds collection
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