Complex sentence: Maricha then assumed the form of a beautiful golden deer, which had silver spots and glowed due to all the gems like sapphire, moonstone, black splint and amethyst on its body.
Split into simpler sentences: Maricha then assumed the form of a beautiful golden deer. The deer has silver spots and glowed due to all the gems like sapphire, moonstone, black splint and amethyst on its body.