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1 item @ $125.00  

Manaksite

#41372
SOLD
Manaksite from Palitra pegmatite, Mt. Kedykverpakhk, Lovozero Massif, Kola Peninsula, Russia - 41372
Manaksite from Palitra pegmatite, Mt. Kedykverpakhk, Lovozero Massif, Kola Peninsula, Russia - 41372

Manaksite

#41372
Availability
Sold
Size
4 x 2 x 0.7 cm - Miniature 
Formula
KNaMn2+Si4O10 (RRUFF)
Locality
Palitra pegmatite, Mt. Kedykverpakhk, Lovozero Massif, Kola Peninsula, Russia

Light pink crystalline mass. It comprises the entire specimen. Manaksite is found in ultra-agpaitic pegmatites. Ultra-agpaitic is a term used for compositions which are extremely rich in sodium and so little aluminum that ordinary alumino silicate minerals do not form. There is an entire paper written on this subect here: http://rruff.info/doclib/MinMag/Volume_61/61-407-485.pdf . It is very rare. Identified by Dr. Igor Petrov.

XRD Confirmed, EDS Confirmed

Manaksite

Formula
KNaMn2+Si4O10 
Crystal System
Triclinic 
Cleavage
Perfect, Perfect, None 
Luster
Vitreous (Glassy) 
Color
colorless, creamy white, rosy 
Streak
white 
Class
Triclinic - Pinacoidal 
Hardness

Data courtesy of Webmineral.

Special Info
XRD Confirmed
Special Info
EDS Confirmed
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