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Descloizite

Cave Name:

Tyuya-Muyun Cave, Kyrgyzstan

Speleothems:

  • thin crusts and earthy masses (in small cavities inside ore marbles or on barite crystals)

Frequency: Rare

Other geologic settings:

  • the limestone massif is surronded by Silurian black schists and sandstones, and it is impregnated by ore veins

Other occurrence:

  • stalactites (in a Bisbee mine cave, Arizona, USA)

First description of cave occurrence:

  • Smolianinova, N.N. 1970. Some data on mineralogy and geochemistry of the Tyuya Muyun ore deposit. in Geology and geochemistry of ore deposits, Nauka, Moskow: 56-90

First description of non-cave occurrence:

  • Damour, M.A. 1854. Notice sur la Descloizite, Nouvelle espèce Minérale. Annales de chimie et de physique, Paris 41: 72-78.

Other cave locations & References:

  • in a Bisbee mine cave, Arizona, USA (Graeme, R.W. 1981. Famous mineral localities. Bisbee, Arizona. Mineralogical Record 12(5): 287-291)

Type of rock:

  • limestone
IMA status: Approved

Group: Vanadates

Chemical formula:
[According to the official IMA-CNMNC List of Mineral Names (http://nrmima.nrm.se/imalist.htm)]

PbZn(VO4)(OH)

Color: greenish brown, dirty yellow

Luster: earthy

Crystal system:
  • Orthorhombic
Crystal size: submillimetric to millimetric
General info:

  • Named after Alfred Des Cloizeaux (1817–1897), a French mineralogist
Cited in Cave Minerals of the World:
[Hill, C.A. & Forti, P. 1997. Cave Minerals of the World (2nd ed.). National Speleological Society Huntsville, AL, 464 pp.]

  • Yes, page 214



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    Cave_mineral_ | by Dr. Radut