Tirodite
A discredited species name
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Name:
Named after the (then) type locality of Tirodi, India.
Discontinued (1997) amphibole name. The "type" material from the Tirodi Mine (1938) is an alkali- and Mn-rich amphibole later called parvowinchite, and finally ghoseite. Since then the name tirodite was predominantly used to describe Mn-rich amphiboles within the Mn-rich cummingtonite/manganocummingtonite range. Mostly this is now classified as clino-suenoite.
Note: Material described as "tirodite" from the International Talc Company mine, Talcville, New York, USA (Segeler, 1961), has been shown to be manganocummingtonite by electron microprobe analyses (by Mike Hawkins, curator at the NY State Museum mineral collection). See further discussions in http://www.mindat.org/mesg-7-206424.html and Ghose & Yang (1989).
Note: Material described as "tirodite" from the International Talc Company mine, Talcville, New York, USA (Segeler, 1961), has been shown to be manganocummingtonite by electron microprobe analyses (by Mike Hawkins, curator at the NY State Museum mineral collection). See further discussions in http://www.mindat.org/mesg-7-206424.html and Ghose & Yang (1989).
Unique Identifiers
Mindat ID:
3975
Long-form identifier:
mindat:1:1:3975:4
Similar Names
| Tirodit | A synonym of 'Manganocummingtonite' | |
| Tirolite | A synonym of Tyrolite |
IMA Classification of Tirodite
Discredited
Classification of Tirodite
14.18.11
14 : Silicates not Containing Aluminum
18 : Silicates of Mn and Na, K, Mg, Ca or Fe
14 : Silicates not Containing Aluminum
18 : Silicates of Mn and Na, K, Mg, Ca or Fe
Common Associates
Associations Based on Photo Data:
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Tirodite
mindat.org URL:
https://www.mindat.org/min-3975.html
Please feel free to link to this page.
Please feel free to link to this page.
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References for Tirodite
Reference List:
Ghose, Subrata, Hexiong, Yang (1989) Mn-Mg distribution in a C2/m manganoan cummingtonite: Crystal-chemical considerations. American Mineralogist, 74 (9-10) 1091-1096
Leake, B. E., Woolley, A. R., Arps, C. E. S., Birch, W. D., Gilbert, M. C., Grice, J. D., Hawthorne, F. C., Kato, A., Kisch, H. J., Krivovochev, V. G., Linthout, K., Laird, J., Mandarino, J. A., Maresch, W. V., Nickel, E.H., Rock, N. M. S., Schumacher, J. C., Smith, D. C., Stephenson, N. C. N., Ungaretti, L., Whittaker, E. J. W., Youzhi, Gou (1997) Nomenclature of amphiboles: report of the Subcommittee on Amphiboles of the International Mineralogical Association, Commission on New Minerals and Mineral Names. The Canadian Mineralogist, 35 (1) 219-246
Localities for Tirodite
Showing 11 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
France | |
| Chopin (1978) |
| Chopin (1978) |
India | |
| Dasgupta et al. (1987) |
| Dasgupta et al. (1991) |
| Bilgrami (1955) |
Japan | |
| MATSUBARA et al. (1996) |
Papua New Guinea | |
| Worthing (1987) |
Russia | |
| Kazachenko et al. (2006, July) |
Slovakia | |
| Faryad S. W. (1987) |
USA | |
| Dunn (1995) |
| Dunn (1995) |
