Shell gold is powdered real gold mixed with a binder, formed into small cakes or shells. It is applied with a brush, like paint. Leaf gold is hammered into thin sheets and applied with adhesive. The result looks similar initially but behaves very differently over time.
Shell gold is ground gold particle. The binder can oxidize or degrade. The surface is less durable than leaf gold. It can wear, powder, or thin over time. It is used in manuscript illumination and some fine art contexts, but it requires more maintenance.
Leaf gold is pure material. It does not contain binders that can degrade. The adhesion is mechanical—the gold is embedded into the ground. The surface is more durable and more responsive to burnishing. Leaf gold is the superior form for work meant to last centuries.
Painted gold—gold pigment or metallic paint—is neither. It is not real gold. It is pigment that mimics gold’s appearance. It will change color, oxidize, and fade. Metallic paints are modern conveniences with no permanence. True gilding, whether shell or leaf, maintains its material integrity. Painted gold does not.
At NoirGold.Art, leaf gold is the standard because the work requires material authenticity and durability. Shell gold is used selectively in detail work where precision is more important than surface area. Painted gold is never used. The commitment is to actual gold—material that will outlast the maker.