Franklinite is an oxide mineral belonging to the normal spinel subgroup's iron (Fe) series, with the formula Zn2+Fe23+O4.
Franklinite
Franklinite is an oxide mineral belonging to the normal spinel subgroup's iron series, with the formula Zn²⁺Fe₂³⁺O₄.
As with another spinel member magnetite, both ferrous and ferric iron may be present in franklinite samples. Wikipedia
Crystal system: Cubic
Category: Oxide minerals; Spinel group; Spinel structural group
Cleavage: None; indistinct octahedral parting in four directions
Color: black
Crystal class: Hexoctahedral (m3m); H-M symbol: (4/m 3 2/m)
Crystal habit: octahedral
Formula (repeating unit): ZnFe2O4
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Franklinite definition: a mineral of the spinel group, an oxide of zinc, manganese, and iron, occurring in black octahedral crystals or in masses.
Franklinite Definition & Meaning - Merriam-Webster
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The meaning of FRANKLINITE is an iron-black slightly magnetic mineral ZnFe2O4 consisting of an oxide of iron and zinc occurring in octahedral crystals or ...
Franklinite is the official state mineral for New. Jersey. The neighboring boroughs of Franklin and. Ogdensburg in Sussex County comprise the Franklin.
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Franklinite was a very important ore of zinc, together with the other zinc minerals at the Franklin and Sterling Hill mines. Now, however, those mines are no ...
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Jul 12, 2024 · Franklinite (zinc iron oxide, ZnFe 2 O 4 ), jacobsite (manganese iron oxide, MnFe 2 O 4 ), and trevorite (nickel iron oxide, NiFe 2 O 4 ). All are magnetic.
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A black mineral consisting of an oxide of iron, manganese, and zinc: a source of iron and zinc..... Click for pronunciations, examples sentences, video.
Franklinite is one of the minerals found at Franklin, New Jersey, a world famous locality that has produced many formerly unknown and exotic mineral species.
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Franklinite mineral data, information about Franklinite, its properties and worldwide locations.
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A black, slightly magnetic mineral of zinc, iron, and manganese, ZnFe2O4, that is a valuable source of zinc.
