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Mineralpedia Details for Andrianovite

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Andrianovite

Andrianovite

Named after Valerii Ivanovich Andrianov, a Russian mathematician and crystallographer and developer of the AREN software for the study of mineral structures.  Andrianovite appears as light yellow rims surrounding crystals of eudialyte. It occurs only at the type locality in the Koashva open pit in the Khibiny massif in the Kola Peninsula of Russia. Associated minerals include aegirine, sodalite, microcline, natrolite, lomonosovite, lamprophyllite, mosandite, and villiaumite.

Ref. Khomaukov, A.P. et al. and Geology of Ore Deposits, v. 50, No. 8 (2008), 705-712

Formula
Na12(K,Sr,Ce)3Ca6Mn3Zr3Nb(Si25O73)(O,H2O,OH)5 
Crystal System
Trigonal 
Class
Ditrigonal Pyramidal 
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Andrianovite from Koashva Mt., Khibiny Massif, Kola Peninsula, Russia

Andrianovite
            from Koashva Mt., Khibiny Massif, Kola Peninsula, Russia

Pale cream-colored crystals less than 0.5mm in a "large" cluster in Aegerine. Extremely rare zirconium-niobium silicate and relatively new IMA mineral.

Pale cream-colored grains on aegirine.

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