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Tisinalite, Aegirine, Natrolite


Tisinalite : Na3H3(Mn,Ca,Fe)TiSi6(O,OH)18·2H2O, Aegirine : NaFe3+[Si2O6], Natrolite : Na2[Al2Si3O10] · 2H2O

Photo Copyright © Pavel M. Kartashov collection & photo  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Umbozero mine, Alluaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Transparent honey-yellow rhombododecahedron of tisinalite in natrolite. More large and slightly altered grains of tisinalite usualy have mustard-yellow colour. Associated mineral is polychrom prismatic manganoan aegirine (var. acmite). FOV is ~9x7 mm. Selfcollected in August 1998 on dumps of Umbozerskii mine. Pavel M. Kartashov collection (#3308) and photo.

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