Ταξινομικός αριθμός:
Oxides
D9 (35)
Συστηματική ταξινόμηση:
Oxides
Μεταφρασμένος τίτλος:
Corundum
Προέλευση:
Miask/Orenburg, ex. U.S.S.R.
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