Image: <bdi><a href="https://www.wikidata.org/wiki/Q126871366" class="extiw" title="d:Q126871366"><span title="photographer from the United States">Nessa Eull</span></a></bdi> (CC0)
cubicuncommonOxides
Franklinite
ZnFe2O4
This specimen is massive, dark gray-black with a metallic luster. Franklinite typically forms octahedral crystals.
Franklinite Physical Properties
Crystal System
cubicLuster
metallicColors
dark gray-blackTransparency
opaqueType Locality
Franklin, New JerseyMineral Group
OxidesUses
industrial, oreRarity
uncommonGeological Context
Franklinite is found in highly metamorphosed zinc-manganese ore deposits, notably at Franklin, New Jersey, where it is an important ore of zinc and manganese.
