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Mineralpedia Details for Rhabdophane-(Ce)

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Rhabdophane-(Ce)

Rhabdophane-(Ce)

Named for the Greek rhabdos, meaning “rod,” and phainesthai, meaning “to appear,” in reference to the bands that appear in the emission spectrum, and for its cerium dominance over the other rare earth elements in the species. A rare mineral found in ore deposits of hydrothermal origin. Localities include England, Germany, Greenland, Canada, the USA, Russia, Ukraine, and Burundi.

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

Formula
CePO4·H2
Crystal System
Hexagonal 
Crystal Habit
Massive, Mammillary, Encrustations 
Cleavage
None, None, None 
Luster
Greasy (Oily) 
Color
white, brownish white, yellowish white, pinkish white 
Streak
white 
Class
Hexagonal - Trapezohedral 
Fracture
Uneven 
Hardness
3.5 
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Rhabdophane-(Ce) from Poudrette quarry, Mont Saint-Hilaire, Montérégie, Québec, Canada

Rhabdophane-(Ce)
            from Poudrette quarry, Mont Saint-Hilaire, Montérégie, Québec, Canada Tan, slender hexagonal prisms to 3mm.
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Rhabdophane-(Ce) from Pegmatite #31, Kedykverpakhk Mt., Lovozero Massif, Kola Peninsula, Russia

Rhabdophane-(Ce)
            from Pegmatite #31, Kedykverpakhk Mt., Lovozero Massif, Kola Peninsula, Russia

4mm fans of creamy - tan prismatic Nordite crystals replaced by Rhabdophane. 

A light yellow embedded crystal spray to 4mm replaced by Nordite - (Ce) embedded in alkalic matrix. There are several other, smaller sprays about the matrix.


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Rhabdophane-(Ce) from Pegmatite #71, Malyi Punkaruaiv Mt., Lovozero Massif, Kola Peninsula, Russia

Rhabdophane-(Ce)
            from Pegmatite #71, Malyi Punkaruaiv Mt., Lovozero Massif, Kola Peninsula, Russia

Tannish compact group to 44mm with Ussingite matrix. Identified by Dr. Igor Pekov.

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