Organovaite-(Zn)

organovaite-(Zn)

organovaite-(Mn)

natrolite

beryllite

Images

Formula: K₂Zn(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄.6H₂O
Cyclosilicate (ring silicate), organovaite group, labuntsovite supergroup, niobium- and titanium- bearing mineral
Crystal System: Monoclinic
Specific gravity: 2.88 measured, 2.89 calculated
Hardness: 5
Streak: White
Colour: Pink, pinkish brown and white
Environments

Pegmatites

Organovaite-(Zn) was approved in 2002, and to date (March 2024) it has been reported only from the Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia. It occurs in an alkaline pegmatite, and sometimes forms pseudomorphs after vuonnemite (Webmin).

Localities

At the type locality, the Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia, organovaite-(Zn) is associated with natrolite, microcline, albite, aegirine, organovaite-Mn, beryllite, elpidite and many others, in the alkaline pegmatite (AM 88.932-933).

Organovaite-(Zn) from the Karnasurt Mountain - Image

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