NASA’s Perseverance rover has uncovered high-purity quartz crystals on Mars, a discovery that could reshape the search for ...

The opal would change color depending on her mood. Later in the story, Lady Hermione attends a christening and is touched on ...

When the holy water accidentally splashes her opal hair clasp, the stone fades to black, leaving it as “colourless as a common pebble.” Lady Hermione collapses in pain and is reduced to ...