MALACHITE

CLASS: Carbonate. . . CHEMICAL FORMULA: Cu (OH) 2 CO3. . . CRYSTAL SYSTEM: monoclinic
CRYSTAL FORM: prism, although it rarely appears like this.
COLOR: green
PHYSICAL PROPERTIES: medium hard (3,5/4 Mohs), heavy (4 g/cm3), fragile, perfect cleavage, semi-opaque / translucent, vitreous / waxy shine and soluble with effervescence in concentrated acids.
CURIOSITIES: related to personal growth.