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Mineralpedia Details for Karnasurtite-(Ce)

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Karnasurtite-(Ce)

Karnasurtite-(Ce)

Named after the type locality on Karnasurt Mountain in the Kola Peninsula in Russia. Karnasurtite is a rare mineal that can be found only at its type locality and one additional locality in Canada. It is found in replacement zones of microcline in pegmatite in alkalic massifs. Associated minerals include manganoan pectolite, natrolite, epididymite, polylithionite, and ussingite.

Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/karnasurtitece.pdf

Formula
CeTiAlSi2O7(OH)4ยท3H2
Crystal System
Hexagonal 
Crystal Habit
Metamict 
Cleavage
Good, None, None 
Luster
Greasy (Oily) 
Color
yellow, honey, light yellow 
Streak
light yellow 
Class
Hexagonal 
Fracture
Brittle 
Hardness
WebMineral
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Karnasurtite-(Ce) from Pegmatite #62, Karnasurt Mt., Lovozero Massif, Kola Peninsula, Russia

Karnasurtite-(Ce)
            from Pegmatite #62, Karnasurt Mt., Lovozero Massif, Kola Peninsula, Russia

Thin platy lamelae, yellowish-brown covering a 1cm area.

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Karnasurtite-(Ce) from Mt. Karnasurt, Lovozero Massif, Kola Peninsula, Russia

Karnasurtite-(Ce)
            from Mt. Karnasurt, Lovozero Massif, Kola Peninsula, Russia
Special Info
Type Locality

Yellow glassy crystals to 2mm.

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