Rose Quartz Large Decorative Heart - Regular Quality. This Rose Quartz Heart was mined from the Norcross-Madagascar mine. A larger, puffy rose quartz heart that is about 2.5 inches tall and weighs approximately 150 grams. They are sold by the piece. It's better to buy your Rose Quartz Hearts from Madagascar Minerals, your direct source of Rose Quartz. Please call a Norcross-Madagascar sales representative at (520) 882-8884 for more information. See below the metaphysical guide of Rose Quartz.