Beryllium

A lightweight metal only found on Barren planets used for preventing plutonium cores from going supercritical until detonated.

It is a spawnable non-flammable solid.

Here is a list of possible sizes that reach the maximum malleability (125) that have integer components: 1x125x1, 1x25x5, 5x5x5

At its default size (2x2x2) it has a durability of 1, at its maximum size it has a durability of 3.

By default, its colour is #b9c4b1.