👉 Arragonite is a mineral that is composed of two different types of minerals, namely garnet and pyroxene. It is named after its distinctive appearance due to its resemblance to a star in the sky. The chemical formula for anarragonite is Ag2Al6Si4O10(OH)2·2H2O (or Al2[pyroxen]-1·2H2O), where "A" represents Arsenic, and "B" represents