Database of luminescent Minerals


MANGANOCUMMINGTONITE


Chemical Formula: X Mn2Mg5Si8O22(OH)2

Familly: Silicates

Status: IMA-A

Crystal System: Monoclinic

Mineral for Display: Yes


Luminescence:


UV Type Main color Intensity Observation Frequency
Long Waves (365nm):      Violet Pink Strong
Short Waves (254 nm):      Violet red Strong
 

Phosphorescence (in the common meaning of the term) seen by naked eye:


No Data

Comments:


Material labelled  tirodite from the International Talc Company mine, Talcville, New York, USA (Segeler, 1961), has been shown to be manganocummingtonite by electron microprobe (by Mike Hawkins, curator at the NY State Museum mineral collection). See further discussions at: http://www.mindat.org/mesg-7-206424.html

Additional material labeled tirodite from the International Talc Company mine, Talcville, New York, USA, was confirmed to be anthophyllite by XRD performed by John Attard on a sample submitted by John Duck in April, 2012.

Accordingly, without confirmation, the identity of similar material may be either manganocummingtonite or anthophyllite. Visual identification or identification by fluorescent response is not possible.


Main Activator(s) and spectrum:


Most Common Activator: Mn2+

No spectrum for the moment


Best Locality for luminescence(*):


(*)Data are not exhaustive and are limited to the most important localities for fluorescence


Bibliographical Reference for luminescence:



Luminescence Reference on internet:



Mineralogical Reference on internet:


  http://www.mindat.org/show.php?name=Manganocummingtonite

  http://webmineral.com/data/Manganocummingtonite.shtml

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