Kokinosite
Kokinosite is an IMA-recognized mineral species in the oxides & hydroxide class, with the chemical formula Na₂Ca₂(V₁₀O₂₈)·24H₂O.
It crystallizes in the triclinic crystal system (space group P-1). It is a member of the Pascoite structural group.
Key properties: Mohs hardness 1.5; specific gravity 2.35; Yellow streak; Subadamantine luster; optically biaxial.
IMA symbol Kkn, IMA status: approved, named in 2013.
Found in a moist part of the oxidation zone of a corvusite-montroseite-bearing sandstone.
It is found associated with Gypsum, huemulite, metarossite, pascoite, rossite, wernerbaurite.
The mineral was named to honor Michael (Mike) Kokinos (b. 1927) of Shingle Springs, California, USA., member of the Micromounters’ Hall of Fame.
Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet.
Browse more K minerals or help write this entry.