User blog comment:Silkworm Bot/Unpopular Opinion/@comment-2054732-20170311210014/@comment-26293141-20170312020620

Navy probably survived re-entry into Earth's atmosphere because Rubies have heat resistance, as for Sardonyx's hammer, I am not sure. As for how Rose shattered Pink Diamond, diamonds in real life break fairly easily if hit at the right angle (or simply hard enough with a hammer) due to how their atoms are arranged.