Important Update News
The RRUFF Project (rruff.info) is being updated to improve its interface and content. The beta version of the update is accessible to the public at RRUFF.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional.
We are grateful to NASA for the funding of this effort.
![]() |
![]() |
Name: Potassic-magnesio-fluoro-arfvedsonite RRUFF ID: R060915 Ideal Chemistry: KNa2(Mg4Fe3+)Si8O22F2 Locality: Kipawa, Quebec, Canada Source: Royal Ontario Museum M52453 [view label] Owner: RRUFF Description: Dark blue-green amphibole with pronounced cleavage, associated with white albite and red eudialyte Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
Mineral Group: [ amphibole (107) ] |
CHEMISTRY | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
![]() |
|
RAMAN SPECTRUM | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
POWDER DIFFRACTION | ||||||||
---|---|---|---|---|---|---|---|---|
RRUFF ID: | R060915.1 | |||||||
Sample Description: | Powder | |||||||
Cell Refinement Output: |
a: 9.8859(3)Å b: 17.9548(9)Å c: 5.2756(4)Å alpha: 90° beta: 104.294(3)° gamma: 90° Volume: 907.42(7)Å3 Crystal System: monoclinic |
|||||||
|
|
REFERENCES for Potassic-magnesio-fluoro-arfvedsonite | |
---|---|
Hogarth D D, Chao G Y, Townsend M G (1987) Potassium- and fluorine-rich amphiboles from the Gatineau area, Quebec, The Canadian Mineralogist, 25, 739-753 [view file] |
|
Mazdab F K (2003) The diversity and occurrence of potassium-dominant amphiboles, The Canadian Mineralogist, 41, 1329-1344 [view file] |
|
Burke E A J, Leake B E (2004) "Named amphiboles": a new category of amphiboles recognized by the International Mineralogical Association (IMA), and the proper order of prefixes to be used in amphibole names, The Canadian Mineralogist, 42, 1881-1883 [view file] |
|
Hogarth D D (2006) Fluoro-potassic-magnesio-arfvedsonite, KNa2Mg5Si8O22F2, from the Outaouais region, Quebec, Canada, The Canadian Mineralogist, 44, 289-289 [view file] |
|
Hogarth D D (2010) Fluoro-potassic-magnesio-arfvedsonite, KNa2Mg5Si8O22F2, from the Outaouais region, Quebec, Canada: Erratum, The Canadian Mineralogist, 48, 432-432 [view file] |
|
Oberti R, Boiocchi M, Hawthorne F C, Robinson P (2010) Crystal structure and crystal chemistry of fluoro-potassic-magnesio-arfvedsonite from Monte Metocha, Xixano region, Mozambique, and discussion of the holotype from Quebec, Canada, Mineralogical Magazine, 74, 951-960 [view file] |
|
Hawthorne F C, Oberti R, Harlow G E, Maresch W V, Martin R F, Schumacher J C, Welch M D (2012) Nomenclature of the amphibole supergroup, American Mineralogist, 97, 2031-2048 [view file] |
|
|