Lapis lazuli is a vividly blue rock, sometimes with streaks of gold, that has been known for millennia for its eye-popping colour and use as a semi-precious gemstone. It gets its colour from the ...

Known for its striking purple hue, this member of the quartz ... to stay present when you feel mentally overwhelmed. Lapis Lazuli rounds out our list with its rich blue hues flecked with gold ...