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Umbozerite

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Big Photo

Shkatulka pegmatite, Umbozero mine (Umba mine), Alluaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
© Pavel M. Kartashov

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Formula:
Na
 
3
Sr
 
4
Th[Si(O,OH)
 
3-4
]
 
8
Colour:bottle-green; rapidly ...Lustre:Vitreous
Hardness:5
This page provides mineralogical data about Umbozerite.

Classification of Umbozerite

IMA status:Approved 1973
Strunz 8th edition ID:8/A.10-10
Nickel-Strunz 10th (pending) edition ID:9.HG.15

9 : SILICATES (Germanates)
H : Unclassified silicates
G : With REE, Th
Dana 8th edition ID:78.7.17.1

78 : Unclassified Silicates
7 :
Hey's CIM Ref.:14.11.3

14 : Silicates not Containing Aluminum
11 : Silicates of Th and Hg
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Type Occurrence of Umbozerite

Type Locality:Umbozero mine (Umbozerskii mine), Alluaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Year of Discovery:1974

Physical Properties of Umbozerite

Lustre:Vitreous
Diaphaneity (Transparency):Translucent
Colour:bottle-green; rapidly changes to green-brown or brown
Hardness (Mohs):5

Chemical Properties of Umbozerite

Formula:
Na
 
3
Sr
 
4
Th[Si(O,OH)
 
3-4
]
 
8
Essential elements:Na, O, Si, Sr, Th
All elements listed in formula:H, Na, O, Si, Sr, Th
Common Impurities:Ti,Ce,Fe,U,Mn,Ca,Ba,K

Relationship of Umbozerite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.HG.20Rowlandite-(Y)
(Y,Ce)
 
4
Fe
2+
 
(Si
 
2
O
 
7
)
 
2
F
 
2
 (?)
Related Minerals - Hey's Index Grouping:

- +
14.11.1Thorite
(Th,U)SiO
 
4
14.11.2Huttonite
ThSiO
 
4
14.11.4Thornasite
(Na,K)
 
12
Th
 
3
[Si
 
8
O
 
19
]
 
4
 · 18H
 
2
O
14.11.5Yttrialite-(Y)
(Y,Th)
 
2
Si
 
2
O
 
7
14.11.6Edgarbaileyite
(Hg-Hg)
 
3
Si
 
2
O
 
7

Other Names for Umbozerite

Synonyms:
IMA1973-039
Other Languages:
German:Umbozerit
Spanish:Umbozerita

Other Information

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 Umbozerite

Reference List:

- +
Doklady Akademii Nauk SSSR (1974): 216: 169-174.

American Mineralogist (1975): 60: 341.

Internet Links for Umbozerite

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    • Localities for Umbozerite

    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
          • Lovozero Massif
    		[World of Stones 95:5-6, p64]
              • Umbozero mine (Umba mine)
    		Pavel M. Kartashov data; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    [Clark, 1993 - "Hey's Mineral Index"]; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
            • Karnasurt Mt
              • Second Eastern Stream
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Ermolaeva, V.N., Pekov, I.V., Chukanov, N.V., Zadov, A.E. (2007): Geology of Ore Deposits 49(8), 758-775.
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