Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Seidite-(Ce) from
Yubileinaya pegmatite, Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia


05860320017271928914294.jpg
Seidite-(Ce), etc.

Yubileinaya pegmatite, Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia
00106680017271928945666.jpg
Seidite-(Ce)

Yubileinaya pegmatite, Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia
08041040017272007206295.jpg
Seidite-(Ce), etc.

Yubileinaya pegmatite, Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia
01865440017271928962594.jpg
Seidite-(Ce)

Yubileinaya pegmatite, Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia
06923220017367320197012.jpg
Seidite-(Ce), etc.

Yubileinaya pegmatite, Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia
00058400017367320207206.jpg
Seidite-(Ce)

Yubileinaya pegmatite, Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia
04457070017367320203747.jpg
Seidite-(Ce), etc.

Yubileinaya pegmatite, Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia
00721220017367320212045.jpg
Seidite-(Ce)

Yubileinaya pegmatite, Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia
05860320017271928914294.jpg
Seidite-(Ce), etc.

Yubileinaya pegmatite, Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia
00106680017271928945666.jpg
Seidite-(Ce)

Yubileinaya pegmatite, Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia
08041040017272007206295.jpg
Seidite-(Ce), etc.

Yubileinaya pegmatite, Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia
01865440017271928962594.jpg
Seidite-(Ce)

Yubileinaya pegmatite, Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia
Locality type:Pegmatite
Classification
Species:Seidite-(Ce)
Formula:Na4(Ce,Sr)2[TiSi8O18(OH)2](O,OH,F)4 · 5H2O
Confirmation
Validity:Valid - Type Locality
Associated Minerals Based on Photo Data:
Manganoneptunite6
Abellaite3
Galena3
Natrolite3
Raite1
Data
Mineral Data:Click here to view Seidite-(Ce) data
Locality Data:Click here to view Yubileinaya pegmatite, Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia
Photo GalleryView Gallery (9 photos)
Data Identifiers
Mindat Occurrence Record ID:20153
Long-form Identifier:1:3:20153:9
GUID (UUID V4):0
Nearest other occurrences of Seidite-(Ce)
1.1km (0.7 miles) ⓘKarnasurt mine, Karnasurt Mountain, Lovozersky District, Murmansk Oblast, Russia
References
Mandarino, Joseph A. (1996) Abstracts of New Mineral Descriptions. The Mineralogical Record, 27 (3) 201-204p.203
Khomyakov, A. P., Ferraris, G., Belluso, E., Britvin, S. N., Nechelyustov, G. N., Soboleva, S. V. (1998) Seidite-(Ce), Na4SrCeTiSi8O22F·5H2O, a new mineral with zeolitic properties. Zapiski Vserossijskogo Mineralogicheskogo Obshchestva, 127 (4) 94-100
Jambor, John L., Puziewicz, Jacek, Roberts, Andrew C. (2000) New Mineral Names. American Mineralogist, 85. 627-630
 
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