Gemstone / Planet Blazoning
During the late medieval period and Renaissance, there was an occasional practice of blazoning tinctures by gemstones, or by references to the seven classical "planets" (including Sun and Moon), as summarized in the tables below:
| 
 | 
 | 
Read more about this topic: Tincture (heraldry)
Famous quotes containing the word planet:
“Are there no Moravians in the Moon, that not a missionary has yet visited this poor pagan planet of ours, to civilize civilization and christianize Christendom?”
—Herman Melville (18191891)