Ταξινομικός αριθμός:
Oxides
D59 (3)
Συστηματική ταξινόμηση:
Oxides
Μεταφρασμένος τίτλος:
Corundum
Προέλευση:
Renfrew County/Ontario, Canada
Περιβάλλον γένεσης:
Contact and regionally metamorphosed rocks. Silica-poor rocks, such as Nepheline-Syenites, alkali igneous undersaturated rocks, contact aureoles in altered aluminous shales, aluminous xenoliths in high temperature plutonic and hypabyssal rocks, metamorphosed bauxite deposits, and as a detrital material in sediments.
Περιγραφή:
Contact and regionally metamorphosed rocks. Silica-poor rocks, such as Nepheline-Syenites, alkali igneous undersaturated rocks, contact aureoles in altered aluminous shales, aluminous xenoliths in high temperature plutonic and hypabyssal rocks, metamorphosed bauxite deposits, and as a detrital material in sediments.
Σύστημα κρυστάλλωσης:
Trigonal
Κρυσταλλικό σχήμα:
Hexagonal Scalenohedral