Is graphite the softest solid in nature?

In fact, there are many theories on the question of who is the softest inorganic solid, and each theory has its own theoretical basis

Everyone may have seen graphite, but cesium may Not many people know it, but it starts to melt at 28.5 degrees Celsius. If you put cesium in your hand, it will quickly turn into a liquid. It is softer than paraffin and can be cut into various shapes at will. This characteristic is completely eliminated. I think graphite is not as soft as cesium!