Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Umbozerite

Big Photo

Pegmatite No. 60, Second Eastern Stream, Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
© B. Otter

Show Umbozerite Photos (5)
Formula:
Na
 
3
Sr
 
4
Th[Si(O,OH)
 
3-4
]
 
8
Colour:Glass-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
mindat.org URL:http://www.mindat.org/min-4092.html
Please feel free to link to this page.

Type Occurrence of Umbozerite

Type Locality:Umbozero Lake, Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Year of Discovery:1974

Physical Properties of Umbozerite

Lustre:Vitreous
Diaphaneity (Transparency):Translucent
Colour:Glass-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.05Cervandonite-(Ce)
(Ce,Nd,La)(Fe,Ti,Al)
 
3
SiAs(Si,As)O
 
13
9.HG.20Rowlandite-(Y)
(Y,Fe
3+
 
,Ce)
 
3
[O|(F,OH)|Si
 
2
O
 
7
]
Related Minerals - Hey's Index Grouping:
14.11.1Thorite
(Th,U)[SiO
 
4
]
14.11.2Huttonite
Th[SiO
 
4
]
14.11.4Thornasite
(Na,K)Th,Si
 
11
(O,OH,F,Cl)
 
25
·8H
 
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
German names:
Umbozerit
Spanish names:
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

Search Engines:
  • Look for Umbozerite on Google
  • Look for Umbozerite images on Google
    • External Links:
  • Look for Umbozerite on Webmineral
  • Look for Umbozerite on Athena Mineralogy
  • Look for Umbozerite on Wikipedia
  • Look for Umbozerite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Umbozerite in the Natural History Museum (London) online catalogue
  • Umbozerite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Wilensky Fine Minerals
  • The Arkenstone - Fine Minerals
  • Fine Minerals from Dan Weinrich Minerals
  • Buy from David K Joyce minerals
  • High-end worldwide specimens & outstanding customer service
  • Buy fine minerals and gemstones from Pala International
  • Search for Umbozerite at Thames Valley Minerals
  • Find Umbozerite on www.crystalclassics.co.uk
  • Rare and Unusual minerals at Mineralogical Research Company
  • rare and unusual minerals mainly crystallized
  • Wright's Rock Shop - excellent mineral specimens since 1970
  • Lapis Mineral Magazin
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to find out how you can sponsor this page.

    Localities for Umbozerite

    (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
    		Pavel M. Kartashov data
            • Karnasurt Mt
              • Second Eastern Stream
    [Clark, 1993 - "Hey's Mineral Index"]
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon & Ida Ralph 1993-2008. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register.