Rock crystal is a highly valued, transparent form of quartz often used in medieval Islamic art to create intricately carved luxury objects. The Keir Ewer at the Dallas Museum of Art is an exquisite example from the Fatimid period (10th–12th century).

Staying positive is hard in light of everything going on in the world, but it’s all we have. Dimming our light so that darkness can prevail is probably what they want.