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File:Belovite-(Ce), Umbozerite, Serandite, Shkatulkalite-576102.jpg

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English: Belovite-(Ce), Umbozerite, Sérandite, Shkatulkalite (FOV 7.1 x 4.7 mm)
Locality: Shkatulka pegmatite, Umbozero mine (Umbozerskii mine; Umba Mine), Alluaiv Mt, Lovozero Massif, Murmanskaya Oblast', Northern Region, Russia
Description: Thanks to Pavel Kartashov. MOB coll. This is part of [1] - which see for a complete list of minerals on the specimen and links to other close-ups. Orange sérandite (on the left), pink ussingite (top), greenish belovite-(Ce) (center). I see deep REE absorption lines. It’s a bit hard to tell exactly where they are coming from, but I’m fairly sure it is from the greenish xl. Per Pavel's inspection of the photo, he agrees that it is belovite. The xl is about 1¾ mm long. There is another, larger belovite xl on the specimen that Pavel pointed out (see the link above), but I failed to spot it because under tungsten lighting it looks too similar to sérandite. However, under CFL it turns quite green and can be easily spotted in the hand held specimen. (Note: Belovite-(Ce) apparently has fairly good cleavage for an apatite group mineral, which is another reason that I failed to spot via the scope.) The black stuff (on the right) has a conchoidal fracture and looks a bit like steenstruoine-(Ce, but is is altered umbozerite (as confirmed by Pavel from inspection of the photo.) The white stuff on the umbozerite is probably shkatulkalite. (Pavel did not comment on this.) Modified by CombineZP
Deutsch: Belovit-(Ce), Umbozerit, Sérandit, Shkatulkalit (Sichtfeld 7,1 x 4,7 mm)
Fundort: Shkatulka-Pegmatit, Umbozero Mine (Umbozerskii Mine), Alluaiv Mt, Lovozero Massiv, Oblast Murmansk, Russland
Date
Source http://www.mindat.org/photo-576104.html
Author Modris Baum

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Public domain This work has been released into the public domain by its author, Modris Baum. This applies worldwide.
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current10:57, 31 March 2014Thumbnail for version as of 10:57, 31 March 20141,024 × 720 (205 KB)Ra'ike (talk | contribs)=={{int:filedesc}}== {{Information |description= {{en|Shkatulkaite, Belovite-(Ce), Umbozerite, Ussingite, Sérandite, [[:en:Manganoneptunite|Manganoneptu...

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