"http://wwwinformationdelightinfo/encyclopedia/entry/Chemical_formula" class="copylinks">Chemical Formula CopperIronSulfide :CuFeS<sub>2</sub>
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2Identification
"http://wwwinformationdelightinfo/encyclopedia/entry/Crystal_habit" class="copylinks">Crystal Habit predominantly the disphenoid and resembles a tetrahedron Crystals sometines twinned Also commonly massive, and sometimes botryoidal
"http://wwwinformationdelightinfo/encyclopedia/entry/Crystal_structure" class="copylinks">Crystal System Tetragonal bar 4 2m
"http://wwwinformationdelightinfo/encyclopedia/entry/Cleavage_(crystal)" class="copylinks">Cleavage {Link without Title} Indistinct
"http://wwwinformationdelightinfo/encyclopedia/entry/Fracture" class="copylinks">Fracture conchoidal and brittle
