Robert Oster Signature – Ruthenium ink

Thanks to Roy from iZods Ink I was happy to review another Robert Oster’s ink called – Ruthenium. This is quite interesting colour, which is not that grey as you may assume keeping in mind that Ruthenium is a dark-silver metal (at certain conditions it has purplish hint).  The colour itself is rather matte purple grey, which to so me extend is resembling Robert Oster Signature – Barossa Grape ink. Therefore, Ruthenium seems to be slightly less purple and not that intense as Barossa Grape.  Interestingly in Ruthenium , purple tone is  much more pronounced  using wet nibs, whereas with finer nibs (or lighter strokes) ink looks greyish. There is a little bit of blue component. Similar inks are Herbin – Poussiere de Lune and Diamine -Damson.

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