This is by far the best metallic ink palette out there. Fantastic shades and very long-lasting.
Made of mica, a natural mineral that offers a wide variety of metallic shades, from gold and silver to iridescent, shining pearl colours. Activate with a little water on the palette and apply to the nib with a brush. Adheres to all absorbent surfaces, such as paper, wood, gypsum, etc.
Colours: Silver Pearl, Fine Gold, Shining Pink, Red, Fine Lilac, Red Violet, Blue Pearl, Blue Silver, Green Pearl, Blue-Green, Bronze, Red-Brown
(There are tons of forums, links and youtube videos that show you how to best use this product. Here's one we like: http://www.aninarubio.com/blog/2014/11/4/mighty-mighty-finetec)