Corundum (Ruby)
Chemical Name: Aluminum Oxide - Al2O3
Group: Oxides
Mohs Hardness: 9
Crystal System: Hexagonal - trigonal
Form/Habit: Pyramidal, prismatic barrel-shaped
Cleavage: None
Fracture: Conchoidal to uneven
Luster: Adamantine to vitreous
Streak: Colorless
Specific Gravity: 4.0 - 4.1
Healing Properties: None
Негізгі бет Ғылым және технология Mineral Spotlight - Corundum (Ruby)
Пікірлер: 16