Zirkelite - Wikipedia
网页Zirkelite is an oxide mineral with the chemical formula (Ca, Th, Ce) Zr (Ti, Nb)2 O 7. It occurs as well-formed fine sized isometric crystals. It is a black, brown or yellow mineral with a hardness of 5.5 and a specific gravity of 4.7.
Zirkelite: Mineral information, data and localities. - mindat.org
网页Named after Ferdinand Zirkel (May 20, 1838 Bonn, Germany - June 12, 1912), Professor of Mineralogy, University of Lemberg, and later at the University of Leipzig, Germany. He was a pioneer in the microscopic investigation of rocks. Note: some sources erroneously list March as the birth month.
Zirkelite mineral information and data - Dakota Matrix
网页Zirkelite. Named for Ferdinand Zirkel, petrographer and a Professor of Mineralogy at the University of Leipzig, in Leipzig, Germany. Found in Brazil, Russia, Scotland, South Africa, Sri Lanka, and even from breccias derived from Moon granophyres, among other places, Zirkelite is typically found within carbonatites and layered intrusions.
Zirkelite Mineral Data
网页Zirkelite. Comments: Black, massive aggregate of zirkelite with minor brown biotite and a thin vein of white calcite. Location: Palabora Open Pit mine, Loolekop, Phalaborwa, Limpopo Province, Transvaal, Republic of South Africa. Scale: Picture size 1.5 …
Zirkelite - Wikiwand
网页Zirkelite is an oxide mineral with the chemical formula (Ca,Th,Ce)Zr(Ti,Nb)2O7. It occurs as well-formed fine sized isometric crystals. It is a black, brown or yellow mineral with a hardness of 5.5 and a specific gravity of 4.7.
Zirkelite - chemeurope.com
网页Zirkelite is an oxide mineral with formula: (Ca,Th,Ce)Zr(Ti,Nb) 2 O 7. It occurs as well-formed fine sized isometric crystals. It is a black, brown or yellow mineral with a hardness of 5.5 and a specific gravity of 4.7.
Zirklerite: Mineral information, data and localities. - mindat.org
网页Zirklerite mineral data, information about Zirklerite, its properties and worldwide locations.
网页Zirkelite (Ca,Th,Ce)Zr(Zr,Ti)2O7 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Cubic; commonly metamict. Point Group: 4/m32/m. Crystals are flattened octahedra, to 3 cm. Twinning: On {111}, very common, as complex fourlings and polysynthetic. Physical Properties: Fracture: Conchoidal. Tenacity: Brittle. Hardness = 5.5
AMCSD Search Results - RRUFF
网页Zirkelite. Mazzi F, Munno R. American Mineralogist 68 (1983) 262-276. Calciobetafite (new mineral of the pyrochlore group) and related minerals from. Campi Flegrei, Italy; crystal structures of polymignyte and zirkelite: comparison with pyrochlore and zirconolite.
zirkelite - Wikidata
网页zirkelite. oxide mineral. Statements. instance of. mineral species. 1 reference. stated in. The IMA List of Minerals (November 2018) subclass of. oxide class of minerals. 0 references. named after. Ferdinand Zirkel. 1 reference. stated in. Lewisite and zirkelite, two new Brazilian minerals. chemical formula
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