DiamineRockin Riofrom the 2019 Shimmertastic collection is amedium burnt orange fountain pen inkwithlow shading and gold shimmer. It dries in30 seconds in a medium nib on Rhodia and has an average flow.Diamine ink has been made in England since 1864.

The shimmer shows up more vibrantly and the flow is smoother the broader the nib size. Gently shaking the bottle or vial will evenly redistribute the shimmer throughout the ink.