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Diversilite-(Ce)

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Big Photo

Yukspor Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
© Knut Eldjarn

Show Diversilite-(Ce) Photos (3)



Formula:
Na
 
2
(Ba,K)
 
6
Fe
2+
 
Ce
 
2
Ti
 
3
(Si
 
3
O
 
9
)
 
3
(HSiO
 
4
)
 
3
(OH,H
 
2
O)
 
9
System:TrigonalColour:brownish yellow to ...
Hardness:5
Name:For the different (latin: diversus) silicate groups in its structure and cerium being the dominant rare earth element in its chemical composition
This page provides mineralogical data about Diversilite-(Ce).

Classification of Diversilite-(Ce)

IMA status:Approved 2002
Strunz 8th edition ID:8/E.05-30
Nickel-Strunz 10th (pending) edition ID:9.CB.10

9 : SILICATES (Germanates)
C : Cyclosilicates
B : [Si3O9]6- 3-membered single rings, with insular complex anions
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Type Occurrence of Diversilite-(Ce)

Type Locality:Yukspor Mt, Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
General Appearance of Type Material:radiating aggregates of tabular crystals to 2 mm
Geological Setting of type material:alkali-rich pegmatites
Associated Minerals at type locality:
YuksporiteWadeiteUmbiteSodaliteShcherbakovite
PectoliteOrthoclaseNephelineNatroliteMagnesioastrophyllite
LamprophylliteDelindeiteAegirine

Physical Properties of Diversilite-(Ce)

Lustre:Vitreous
Diaphaneity (Transparency):Translucent
Colour:brownish yellow to yellowish orange
Streak:white
Hardness (Mohs):5
Tenacity:Brittle
Fracture:Conchoidal
Density (measured):3.68 g/cm3

Crystallography of Diversilite-(Ce)

Crystal System:Trigonal
Class (H-M):3 - Rhombohedral
Cell Parameters:a = 10.71Å, c = 60.67Å
Ratio:a:c = 1 : 5.665
Unit Cell Volume:V 6,026.76 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
3.23 (100)
2.65 (40)
2.64 (40)
2.02 (60)

Chemical Properties of Diversilite-(Ce)

Formula:
Na
 
2
(Ba,K)
 
6
Fe
2+
 
Ce
 
2
Ti
 
3
(Si
 
3
O
 
9
)
 
3
(HSiO
 
4
)
 
3
(OH,H
 
2
O)
 
9
Essential elements:Ba, Ce, Fe, H, Na, O, Si, Ti
All elements listed in formula:Ba, Ce, Fe, H, K, Na, O, Si, Ti

Relationship of Diversilite-(Ce) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.CB.05Roeblingite
Pb
 
2
Ca
 
6
Mn
2+
 
(Si
 
3
O
 
9
)
 
2
(SO
 
4
)
 
2
(OH)
 
2
 · 4H
 
2
O
9.CB.15Ilímaussite-(Ce)
(Na,K)
 
7-8
(Ba,K)
 
10
Ce
 
5
(Nb,Ti)
 
6
(Si
 
3
O
 
9
)
 
4
(Si
 
9
O
 
18
)O
 
6
(O,OH)
 
24

Other Names for Diversilite-(Ce)

Synonyms:
IMA2002-043
Other Languages:
Russian:Диверсилит-(Ce)

Other Information

Fluorescence in UV light:none
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Diversilite-(Ce)

Reference List:

- +
Khomyakov, A.P. et al. (2003): Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 132(5): 34-39.

Lapis (2004): 29(2): 41.

Krivovichev, S.V., Y.N. Yakovenchuk (2005), Crystal structure of diversilite-(Ce): Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 134(1): 113-117.

Internet Links for Diversilite-(Ce)

Search Engines:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
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    • Localities for Diversilite-(Ce)

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Russia
     
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
    		A.P. Khomyakov et al.: ZVMO 132(5):34-39 (2003)
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