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|Name:||Note:Material labelled " tirodite" from International Talc Company mine, Talcville, New York, USA, has been shown to be manganocummingtonite by electron microprobe (by Mike Hawkins, curator at the NY State Museum mineral collection). Se further discussions qt http://www.mindat.org/mesg-7-206424.html|
Discontinued (1997) amphibole name. The "type" material from the Tirodi Mine (1938) is an alkali- and Mn-rich amphibole now called parvowinchite. Since then the name tirodite was predominantly used to describe Mn-rich amphiboles within the Mn-rich cummingtonite/manganocummingtonite range.
Classification of Tirodite
|Hey's CIM Ref.:||14.18.11|
14 : Silicates not Containing Aluminum
18 : Silicates of Mn and Na, K, Mg, Ca or Fe
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Relationship of Tirodite to other Species
|Related Minerals - Hey's Index Grouping:|
|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 Tirodite
S. Weiß, Lapis: 29(9):48 (2004).
Canadian Mineralogist (1997): 35: 219-246.
Internet Links for Tirodite
Localities for Tirodite
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.
(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.
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New Locality Added: The Woodlands, Hartshill, Warwickshire, England, UKFrom Paul Render, 16th Apr 2014 19:02:55