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

Sodic-ferrogedrite

Formula:
[Na][Fe
2+
2
][Fe
2+
4
Al][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
System:OrthorhombicLustre:Vitreous
Hardness:5½ - 6
Name:Named as a sodium-bearing, ferrous-iron-dominant member of the gedrite series.


Amphibole Group, Mg-Fe-Mn-Li Ortho-Amphibole Subgroup

Classification of Sodic-ferrogedrite

IMA status:Approved
Strunz 8th edition ID:8/F.12-90
Nickel-Strunz 10th (pending) edition ID:9.DD.05

9 : SILICATES (Germanates)
D : Inosilicates
D : Inosilicates with 2-periodic double chains, Si4O11; Orthoamphiboles
mindat.org URL:http://www.mindat.org/min-7304.html
Please feel free to link to this page.

Physical Properties of Sodic-ferrogedrite

Lustre:Vitreous
Hardness (Mohs):5½ - 6

Crystallography of Sodic-ferrogedrite

Crystal System:Orthorhombic

Chemical Properties of Sodic-ferrogedrite

Formula:
[Na][Fe
2+
2
][Fe
2+
4
Al][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
Essential elements:Al, Fe, H, Na, O, Si
All elements listed in formula:Al, Fe, H, Na, O, Si

Relationship of Sodic-ferrogedrite to other Species

Series:Forms a series with Sodicgedrite (see here)
Related Minerals - Nickel-Strunz Grouping):

- +
9.DD.05Ferro-anthophyllite
☐[Fe
2+
2
][Fe
2+
5
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DD.05Ferrogedrite
☐[Fe
2+
2
][Fe
2+
3
Al
 
2
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DD.05Gedrite
☐[Mg
 
2
][Mg
 
3
Al
 
2
][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DD.05Holmquistite
☐[Li
 
2
][Mg
 
3
Al
 
2
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DD.05Protoferro-anthophyllite
☐[Fe
2+
2
][Fe
2+
5
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DD.05Protomangano-ferro-anthophyllite
☐[Mn
2+
2
][Fe
2+
5
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DD.05Sodicanthophyllite
[Na][NaMg][Mg
 
5
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DD.05Sodic-ferro-anthophyllite
[Na][NaFe
2+
 
][Fe
2+
5
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DD.05Sodicgedrite
[Na][Mg
 
2
][Mg
 
4
Al][(OH)
 
2
|Al
 
2
Si
 
6
O
 
22
]
9.DD.05Ferroholmquistite
☐[Li
 
2
][Fe
2+
3
Al
 
2
][(OH)
 
2
|Si
 
8
O
 
22
]
9.DD.05Protoanthophyllite
☐[Mg
 
2
][Mg
 
5
][(OH)
 
2
|Si
 
8
O
 
22
]

Other Names for Sodic-ferrogedrite

Other Languages:
German:Natrium-Ferrogedrit

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 Sodic-ferrogedrite

Reference List:Hawthorne F.C. (1983), Canadian Mineralogist: 21: 173.

Mineralogical Record: 29: 169-174.

Hawthorne, Frank C., and Roberta Oberti (2006), On the classification of amphiboles: Canadian Mineralogist:
44(1): 1-21.

Internet Links for Sodic-ferrogedrite

Search Engines:
  • Look for Sodic-ferrogedrite on Google
  • Look for Sodic-ferrogedrite images on Google
    • External Links:
  • Look for Sodic-ferrogedrite on Webmineral
  • Look for Sodic-ferrogedrite on Athena Mineralogy
  • Look for Sodic-ferrogedrite on Wikipedia
  • Look for Sodic-ferrogedrite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Sodic-ferrogedrite in the Natural History Museum (London) online catalogue
    • Mineral Dealers:
  • Buy fine minerals and gemstones from Pala International
  • Buy Minerals and Crystals from Crystalarium.com
  • Edwards Minerals - Fine Specimens
  • Lapis Mineral Magazin
  • Wendel Minerals - Auktion & Shop
  • Buy Fine Minerals from mineralsweb.com
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • High-end worldwide specimens & outstanding customer service
  • Fabre Minerals - search for Sodic-ferrogedrite specimens
  • The Arkenstone - Fine Minerals
  • SpiriferMinerals.com - high quality specimens
  • Buy from David K Joyce minerals
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Sodic-ferrogedrite

    Show Locality List (2 Items)
    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.
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. Current server date and time: 26th Nov 2009 10:31:37