Seems unintentional to me, as you get these from grinding diamond ores in TR ind. grinders.

No idea if these have to follow a format or anything, in case they do, deeply sorry.

Additionally, this isn't an isolated to diamond dust. There's missing recipes for full dusts using the following:

• small pile of nickel dust
• small pile of diamond dust
• small pile of ruby dust
• small pile of manganese dust (likely intentional)
• small pile of invar dust
• small pile of emerald dust
• small pile of electrum dust

I don't know if most of these are intentional or not, just gonna list these here and see what sticks for now.