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Robert Oster Purple Rock is a dark violet fountain pen ink with medium shading and a pop of red sheen in large swabs. It dries in 40 seconds in a medium nib on Rhodia and has an average flow. Robert Oster ink is made in Australia. Brand Robert Oster Ink Name Purple Rock Country of Origin Australia Color Purple Dry Time 40 Seconds (Pilot Vanishing Point Medium Nib on Rhodia Paper) Flow Average Shading Medium Sheen Red sheen in large swabs Shimmer No Limited Edition No Water Resistance No Iron Gall No Pigment No Read a full review of this ink on multiple types of paper from Mountain of Ink.
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🇺🇸 Ship from USA · On Agora since 2026
$21.00