Faceted gemstone pendulum — Clear quartz

Pure quartz, colorless, as transparent as water. The inclusions — veils, frost, phantoms — draw internal landscapes particular to each piece.

A pendulum cut from natural stone and hung on its fine chain; the balance is checked piece by piece, without which the swing drifts.

What tradition attributes to it. Considered the most versatile stone in crystal healing, it is credited with amplifying the intention entrusted to it and supporting other minerals. It is the crystal to begin with.

Use & care. Held with the chain free between thumb and forefinger, elbow resting. You first agree your movement conventions, then you ask. Hang it up rather than leaving it loose, so the chain does not tangle.

• Quartz is the second most common mineral in the earth's crust; good clear pieces are nonetheless rare.
• A natural piece: shade, veining and dimensions vary from one example to the next

A decorative object for personal practice. It is no substitute for medical advice or treatment.