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|Defined as a an amphibole in the cannilloite group of the Calcium subgroup with Mg>Fe2+ and Al>Fe3+ in the C position and with (OH) as the dominant anion in the W position|
|Cannilloite group > Calcium Amphibole Subgroup > w(OH, F, Cl)-dominant Amphibole Group > Amphibole Supergroup|
Hypothetical Clino-Amphibole. The type "cannilloite" was found to be fluorine rich and was renamed "Fluor-cannilloite." The IMA has retained the name and original formula, but it has not been found in nature yet.
Classification of Cannilloite
|IMA status:||Hypothetical Mineral|
|Strunz 8th edition ID:||8/F.10-103|
|Nickel-Strunz 10th (pending) edition ID:||9.DE.10|
9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si4O11; Clinoamphiboles
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Chemical Properties of Cannilloite
Defined as a an amphibole in the cannilloite group of the Calcium subgroup with Mg>Fe2+ and Al>Fe3+ in the C position and with (OH) as the dominant anion in the W position
|Simplified for copy/paste:||Ca(Ca2)(Mg4Al)(Al3Si5O22)(OH)2|
|Essential elements:||Al, Ca, H, Mg, O, Si|
|All elements listed in formula:||Al, Ca, H, Mg, O, Si|
Relationship of Cannilloite to other Species
|Member of:||Cannilloite group > Calcium Amphibole Subgroup > w(OH, F, Cl)-dominant Amphibole Group > Amphibole Supergroup|
|Other Members of Group:|
|Related Minerals - Nickel-Strunz Grouping):|
Other Names for Cannilloite
|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 Cannilloite
Frank C. Hawthorne, Roberta Oberti, George E. Harlow, Walter V. Maresch, Robert F. Martin, John C. Schumacer, Mark D. Welch (2012): Nomenclature of the amphibole supergroup, American Mineralogist, Volume 97, pages 2031–2048
Hawthorne F.C., Oberti R., Ungaretti L., Grice J.D. (1996): A new hyper-calcic amphibole with Ca at the A site: Fluor-cannilloite from Pargas, Finland American Mineralogist, 81, 995-1002.
Internet Links for Cannilloite
Localities for Cannilloite
(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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