Beckelite
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Formula:
(Ce,Ca)5(SiO4)3(OH,F)
Lustre:
Waxy
Hardness:
5
Name:
Name given in 1904 by J. Morozewicz of yellow-brown crystals found in mariupolite from the Sea of Azov, Ukraine. Named in honour of the Austrian mineralogist and petrograph Friedrich Becke (1855-1931).
Synonym:
A synonym of Britholite-(Ce)
A discredited member of the Apatite Group. Synonym of Britholite-(Ce).
Originally described from Mariupol' (Oktyabr'skii) Massif, Azov Sea Region, Donetsk Oblast', Ukraine. Described as "wax-yellow, octahedral or rhombic dodecahedral crystals resembling pyrochlore in appearance and physical characters." Embrey and Fuller (1980).
Originally described from Mariupol' (Oktyabr'skii) Massif, Azov Sea Region, Donetsk Oblast', Ukraine. Described as "wax-yellow, octahedral or rhombic dodecahedral crystals resembling pyrochlore in appearance and physical characters." Embrey and Fuller (1980).
References for Beckelite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Morozewicz, J. (1904) Akademy Krakow, Series A, 94: 216.
Morozewicz, J. (1904) Uber Beckelit ein Cero-Lantano-Didymo-Silikat vom Calcium. Bull. Inter. Acad. Sci. Cracovie. 1904: 485-492.
Morozewicz, J. (1905) Min. Petr. Mitt. (Tschermak), 24: 120.
Gay, P. (1957) An X-Ray Investigation of some Rare-Earth Silicates: Cerite, Lessingite, Beckelite, Britholite, and Stillwellite. Mineralogical Magazine: 31: 237: 455-468.
Mineralogicheskiy Zhurnal (1987) 9(1): 78.
Jambor, J.L. and Puziewics, J. (1990) New mineral names. American Mineralogist: 75: 431-438.
Burke, E.A.J. (2006) A mass discreditation of GQN minerals. The Canadian Mineralogist: 44(6): 1557-1560.
Internet Links for Beckelite
mindat.org URL:
https://www.mindat.org/min-595.html
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