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eskebornite

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Eskebornite is a selenide mineral with the formula CuFeSe2. It crystallizes in the tetragonal system and it has a brassy colour. Eskebornite is sometimes found as thick tabular crystals, but is more often found intergrown with other selenides. It is part of the chalcopyrite group and forms a series with chalcopyrite.

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chemical formula
CuFeSe₂
Nickel-Strunz 9th edition (updated 2009)
2.CB.10a
Nickel-Strunz '10th ed', review of (9th ed/ 2009 update)
2.CB.10a
IMA Mineral Symbol
Ebn

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  • See also
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{{Infobox mineral|name=Eskebornite|boxwidth=|boxbgcolor=|image=|imagesize=|alt=|caption=|category=:Category:Selenide minerals|formula=CuFeSe2|molweight=| IMAsymbol = Ebn|strunz=2.CB.10a|dana=2.9.1.2|system=|class=Tetragonal|symmetry=|unit cell=|color=Brassy yellow|colour=|habit=Thick tabular crystals, massive|twinning=|cleavage={001} perfect|fracture=|tenacity=|mohs=3–3.5|luster=Metallic|streak=Black|diaphaneity=Opaque|gravity=|density=5.35 (measured) 5.44 (calculated)|polish=|opticalprop=|refractive=|birefringence=|pleochroism=Creamy yellow to yellowish brown|2V=|dispersion=|extinction=|length fast/slow=|fluorescence=None|absorption=|melt=|fusibility=|diagnostic=|solubility=Insoluble|impurities=Ag, S|alteration=|other=Distinctly magnetic|prop1=|prop1text=|references=}}

Eskebornite is a selenide mineral with the formula CuFeSe2. It crystallizes in the tetragonal system and it has a brassy colour. Eskebornite is sometimes found as thick tabular crystals, but is more often found intergrown with other selenides. It is part of the chalcopyrite group and forms a series with chalcopyrite.

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