Ταξινομικός αριθμός:
Framework Silicates (Sodalite Group)
D41 (17)
D41 (17)
Συστηματική ταξινόμηση:
Framework Silicates (Sodalite Group)
Όνομα:
Cancrinite and Sodalite
Μεταφρασμένος τίτλος:
Cancrinite and Sodalite
Προέλευση:
Miask/Orenburg, ex. U.S.S.R
Περιβάλλον γένεσης:
Cancrinite:Alteration of nepheline in igneous rocks. Primary mineral in alkalic igneous rocks, alteration product of nepheline. Sodalite:Formed in nepheline syenites, phonolites, and related rock types. In metasomatized calcareous rocks, and in cavities in ejected volcanic blocks.Found in nepheline syenites, phonolites, volcanic ejecta, metasomatized calcareous rocks.
Περιγραφή:
Cancrinite:Alteration of nepheline in igneous rocks.Primary mineral in alkalic igneous rocks, alteration product of nepheline.Sodalite:Formed in nepheline syenites, phonolites, and related rock types. In metasomatized calcareous rocks, and in cavities in ejected volcanic blocks.Found in nepheline syenites, phonolites, volcanic ejecta, metasomatized calcareous rocks.
Χημικός τύπος:
(Na,Ca)6-8(Si6Al6O24)(SO4,CO3,Cl)1-2*nH2O and Na4(Si3Al3)O12Cl
Σύστημα κρυστάλλωσης:
Cancrinite: Hexagonal, Sodalite: Isometric
Κρυσταλλικό σχήμα:
Cancrinite: Pyramidal Sodalite: Hextetrahedral
Μόνιμη διεύθυνση:
Ψηφιοποιημένο υλικό 1
1
Φωτογραφία
uoadl:167398
Αριθμός φωτογραφίας:
1
