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Cossaite (of Piolti?)

A variety of Paragonite
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07933220017271929382581.jpg
Cossaite (of Piolti?)

Roccia Nies, Fenestrelle, Metropolitan City of Turin, Piedmont, Italy
07933220017271929382581.jpg
Cossaite (of Piolti?)

Roccia Nies, Fenestrelle, Metropolitan City of Turin, Piedmont, Italy
07933220017271929382581.jpg
Cossaite (of Piolti?)

Roccia Nies, Fenestrelle, Metropolitan City of Turin, Piedmont, Italy
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About Cossaite (of Piolti?)Hide

Formula:
NaAl2(AlSi3O10)(OH)2
A K-bearing paragonite.


Unique IdentifiersHide

Mindat ID:
9935 (as Cossaite (of Piolti?))
3090 (as Paragonite)
Long-form identifier:
mindat:1:1:9935:2 (as Cossaite (of Piolti?))
mindat:1:1:3090:4 (as Paragonite)

Similar NamesHide

CociteA rock subtype
CoesiteA valid IMA mineral speciesSiO2
CossaitA synonym of Cossaite
CösiteA synonym of Oösite
GoyzaiteA synonym of GoyaziteSrAl3(PO4)(PO3OH)(OH)6
Jossaite
KassiteA valid IMA mineral speciesCaTi2O4(OH)2

Chemistry of Cossaite (of Piolti?)Hide

Mindat Formula:
NaAl2(AlSi3O10)(OH)2
Element Weights:
Element% weight
O50.234 %
Si22.045 %
Al21.179 %
Na6.015 %
H0.527 %

Calculated from ideal end-member formula.
Elements listed:
Al, H, Na, O, Si - search for minerals with similar chemistry

Other Language Names for Cossaite (of Piolti?)Hide

Spanish:Cossaita

Other InformationHide

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 Cossaite (of Piolti?)Hide

References for Cossaite (of Piolti?)Hide

Localities for Cossaite (of Piolti?)Hide

This 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.

Locality ListHide

- 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). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Italy
 
  • Piedmont
    • Metropolitan City of Turin
      • Fenestrelle
Schaller et al. (1941)
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