Jade for courage, amethyst to improve concentration and rose quartz for love. Social media influencers are driving demand for quartz and gemstones. But these pretty materials are mined under ...

26. August 14:15 DW English Close up: The Current Affairs Documentary 26. August 18:15 DW English Close up: The Current Affairs Documentary 26. August 23:15 DW English Close up: The Current Affairs ...