They can certainly be used as a visual focus for traditional scrying, meditation and other spiritual practices, as well as for decoration. It is best to describe scrying as a spiritual or reflective practice rather than promise that the ball can predict events or produce specific results.

No – this is an important safety point. A curved glass object can concentrate sunlight like a lens and potentially ignite nearby combustible materials, so crystal balls should be kept away from direct sunlight and sunny windows.

Yes. Larger optical glass balls are substantial and should sit on a strong, level and stable surface, preferably away from shelf edges or areas where they can easily be knocked. Check the individual product weight before choosing shelving or a display unit.

Use a clean microfibre cloth or a suitable optical-glass cleaning product to remove fingerprints and dust. Avoid abrasive cloths and gritty surfaces, as scratches in polished optical glass cannot simply be polished away during normal retail care.

Clear glass can disappear against a white background or pick up distracting reflections. A contrasting backdrop and soft, indirect lighting usually show the spherical shape more clearly; avoid direct sunlight when setting up the photograph.