Trippkeite
Trippkeite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula Cu²⁺As³⁺₂O₄.
It crystallizes in the tetragonal crystal system (space group P4_2/mbc). It is a member of the Trippkeite structural group.
Key properties: specific gravity 4.8; Vitreous luster; optically uniaxial.
IMA symbol Tpk, grandfathered status — known before the IMA’s founding, named in 1880.
Found in a copper deposit.
It is found associated with Cuprite, malachite, olivenite, chalcopyrite.
The mineral was named to honor Dr. Paul Trippke (1851–1880), Polish mineralogist, who discovered the mineral.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
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