Novgorodovaite
Novgorodovaite is an IMA-recognized mineral species in the organic mineral class, with the chemical formula Ca₂(C₂O₄)Cl₂·2H₂O.
It crystallizes in the monoclinic crystal system (space group I2/m). It is a member of the Oxalate structural group.
Key properties: Mohs hardness 2.5; specific gravity 2.38; White streak; Vitreous luster; optically biaxial.
IMA symbol Nov, IMA status: approved, named in 2000.
Found in a drill-core from evaporite rocks.
It is found associated with Anhydrite, gypsum, halite, bischofite, magnesite, hilgardite.
The mineral was named to honor mineralogist Margarita Ivanovna Novgorodova (b. 1938), Director of the A.E. Fersman Mineralogical Museum, Moscow, Russia.
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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