cleaning my keris

[ericlaude]

Hi,
I'm new on this forum,I'm collecting indonesian keris and I want to give the black color to the keris blades after cleaning but I'm leaving in France and the arsenic is forbidden on sale.Can someone tell me if there is another product?
I'm apologize for my very bad english.

[karset]

try search this rock /mineral on the net: realgar. take the one with red with orange line or red near to purple.