As a fusion, Smoky Quartz adopts Steven's and Amethyst's personalities. In this case, Smoky Quartz has a somewhat cocky, carefree, and proud attitude. They also have a humorous and relaxed side to their personality with a tendency to make jokes, even in the heat of battle. They gave a sort of confidance to Amethyst, who had become demotivated after being poofed by Jasper.
They are extremely confident in battle. Because of their cooperators' trust in one another, they are moderately stable. However, they can unfuse from distress/intense emotion, as shown when they witness Jasper starting to become corrupted.
Smoky Quartz has three arms (one right arm and two left arms), a dark mauve complexion, bushy eyebrows, and peach freckles on their cheeks and shoulders. Smoky Quartz's hair is short (like Steven's) and messy (like Amethyst's). Their hair covers their left eye just as Amethyst's does. They are slightly taller than Jasper and have a large, wide build which stems from both Steven and Amethyst. Their left arm splits into two arms at the elbow. They have plump lips, a small nose, and a round face. Smoky wears two prop-top shirts, one similar to Amethyst's, and one that resembles Steven's.
Their outfit is similar to Stevonnie's, combining the outfits of their cooperators. In their case, Smoky Quartz has a light mauve version of Amethyst's tank top under an off-shoulder tank top that resembles Steven's shirt, along with Steven's pants, and Amethyst's boots and leggings. The gemstones of their cooperators are located on their chest and navel.
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