Phosphophyllite (Houseki no Kuni)

Phosphophyllite is the protagonist of Houseki no Kuni. At the series' start they are the youngest gem and have a hardness of 3.5. Their appearance and personality changes drastically throughout the series.

Appearance
At the beginning of the series, Phos has teal green hair and eyes. Their hair is short, to the length of their shoulders, and they wear the standard winter uniform for gems. They usually do not wear gloves or socks. Later on in the series, Phos loses their legs which are replaced with agate.

After they lose their arms, Phos replaces them with malleable golden alloy. This alloy also gives them high heels. They cut their hair shorter to resemble Antarcticite's. After Phos loses their head in an attack, their head is replaced with the head of Lapis Lazuli. Initially they tie their long hair into a ponytail, but it is cut short after being shot at by arrows.

Personality
At the beginning of the series, Phosphophyllite has a childish, naive, and lazy personality. However due to experience and trauma, their personality matures and they become more serious.