yes but only depends on the color the world is flat
Corundum can be transparent, depending on its quality and impurities present. High-quality corundum gemstones, such as sapphires and rubies, are usually transparent and highly valued. However, corundum can also contain impurities that make it opaque or translucent.
Corundum.
Corundum is in the trigonal crystal system.
Pure corundum is clear in color.
Diamond is the hardest mineral and is the only one that can scratch corundum. but in my opinion corundum will scratch corundum any mineral of the same hardness will scratch the other !
Corundum is only aluminium oxide - Al2O3.
Aluminium isn't a mineral (it doesn't occur naturally). Perhaps you are thinking of alumina, which does have transparent mineral forms called corundum (ruby, sapphire, padparadscha).
***Pure corundum is transparent and colorless but most specimens contain some transition elements substituting for aluminum, resulting in the presence of color. Substitution of Chromium results in a deep red color; such red corundum is known as ruby.corundum is a dark red, blue and yellow colors
The main compound in ruby and sapphire is corundum. It is made of transparent materials in both ruby and sapphire.
Corundum.
Corundum is not magnetic.
Corundum ( (Al_2O_3) ) is hexagonal in crystal structure.
Corundum is used for jewlery
Corundum is in the trigonal crystal system.
Red corundum is called ruby.
Pure corundum is clear in color.
Corundum is aluminium oxide, Al2O3.
Diamond is the hardest mineral and is the only one that can scratch corundum. but in my opinion corundum will scratch corundum any mineral of the same hardness will scratch the other !