I\'ve installed Material for angular,
I\'ve imported on my app module MatIconModule (with import { MatIconModule } from \'@angular/material/icon\';)
import { MatIconModule } from \'@angular/material/icon\';
In my case, there was a style applied that overrides font family. So, I added font family style explicitly like this:
.material-icons{ font-family: 'Material Icons' !important; }