PE Djerfisherite = 21.17 barns/electron U=PE Djerfisherite x r electron = 74.52 barns/cc. Radioactivity: GRapi = 129.45 (Gamma Ray American Petroleum Institute Units) Concentration of Djerfisherite per GRapi unit = 0.77 (%) Estimated Radioactivity from Djerfisherite - barely detectable
Djerfisherite in Kimberlites of the Kuoikskoe field as an indicator of enrichment of Kimberlite melts in chlorine. In Doklady Earth Sciences (Vol. 436, No. 2, pp. 301-307). MAIK Nauka/Interperiodica.
Djerfisherite is an alkali copper–iron sulfide mineral and a member of the djerfisherite group. It has the chemical formula K 6 Na(Fe 2+,Cu,Ni) 25 S 26 Cl. Its type locality is the Kota-Kota meteorite (Marimba meteorite), Malawi.
Associated minerals are: natrolite, sodalite, aegirine, biotite, vinogradovite, titanite, eudialyte, calcite, barytocalcite, fluorapatite, fluorite, djerfisherite ...
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djerfisherite definition: Noun 1. (mineralogy) An isometric-hexoctahedral mineral containing chlorine, copper, iron, nickel, potassium, sodium, and sulfur.Origin -ite...
Djerfisherite in Kimberlites of the Kuoikskoe Field as an Indicator of Enrichment of Kimberlite Melts in Chlorine I. S. Sharygin, A. V. Golovin, and Corresponding Member of the RAS N. P. Pokhilenko
Djerfisherite - Brown to black Djerfisherite with red Eudialyte. . This and many more mineral specimens are available for sale at Dakota Matrix Minerals.
Djerfisherite in kimberlites of the Kuoikskoe field. (a, b) Obnazhennaya pipe: (a) euhedral and subhedral djerfisherite grains in the groundmass of kimberlite (groundmass is composed of phlogopite ...