A deep black ink, with teal undertones.

A well-behaved black with sheening.

Day twenty of the Diamine 2023 Inkvent Calendar, Astral, a black ink just brimming with colour-shifting shimmer.

A beautiful black ink with a subtle red shimmer.

A dark navy based black, with lots of purple shimmer.

A 2022 special edition fountain pen ink release from Ferris Wheel Press - black ink with a gorgeous red sheen, gold shimmer. and a blue base.