No, coal is very rough. It is black and rough. Sometimes it sparkles, but I do not think it is shiny.
"metallic" is the name for a luster. It means it looks shiny like polished metal.
Osmium is a shiny, silvery metal with a metallic luster.
Yes, gold is a shiny and lustrous metal known for its attractive appearance and conductivity.
"Shiny metallic" is used to describe surfaces that have a reflective quality like metal. "Pearly" is used to describe surfaces that have a lustrous, iridescent quality similar to the shine of a pearl.
Metal has a metallic luster and is a conductor.
Sn is a shiny, silver-white metal. It exhibits a metallic luster and reflects light.
platinum is a metal because it is shiny but it can be a metalloid or transition metal
Chrome is a metallic element, a transition metal with a shiny surface. It is commonly used in metal alloys and has a high melting point.
Hematite typically has a metallic luster, appearing shiny and reflective like polished metal.
Galena has a metallic luster, which means it appears shiny and reflective like metal.
When a mineral is described as metallic, it means that it has a shiny, reflective surface similar to that of metal. This indicates that the mineral has a high metallic luster, such as that seen in minerals like pyrite or galena.
Metallic usually refers to a finish (paint, trim), meaning it looks(shiny/ highly reflective)or contains metal (old metallic paint had metal flake in it to give a glitter effect.)