Is your feature request related to a problem? Please describe.
Id like to haev a special block that contains radiation, so that you cant just make a Reactor out of Dirt

Describe the solution you'd like
New Block : "Reactor Wall/Reactor Block"

Describe alternatives you've considered
öm

If your feature is a new block or item please give some example(s) for names
well...
Please give some way of creating this item/block
Lead steel lead
Lead steel lead
Lead steel lead
(Bars of course ) and that Would make like 3 or so reactor blocks

Additional context
I think it would be enough if this block uses the standard Iron Block texture, i wouldnt go out of my way just to make a texture just for an building block

This is a nice idea, maybe along with this the three different types of concrete could be added.