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Matlockite Group

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Members of the Matlockite Group are layer structures based on metal-oxygen or metal-fluorine layers in which the anions are in quadratic packing with the metal cations (Pb, Ca, Bi) fitting into the interstices between the anions, half on each side of the layer. These layers are separated by double layers of Cl or (Cl,OH), each in quadratic packing which coordinate the metal anions of the first-described layers (Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 59).

Classification of Matlockite Group

Chemical Properties of Matlockite Group


Relationship of Matlockite Group to other Species

Group Members:
Bismoclite (BiO)Cl
Daubréeite (BiO)(OH,Cl)
Laurionite PbCl(OH)
Matlockite PbFCl
Paralaurionite PbCl(OH)
Rorisite CaFCl
Zavaritskite (BiO)F

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 Matlockite Group

Reference List:
Bannister and Hey (1934) Mineralogical Magazine: 23: 587.

Bannister and Hey (1935) Mineralogical Magazine: 24: 49.

Sillén (1942) Naturwissenschaften: 22: 309.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 59.

Internet Links for Matlockite Group URL:
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Localities for Matlockite Group

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.
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