Big enough to notice from across the room, small enough to tuck onto a windowsill.

Agate forms inside volcanic rock, where silica-rich water slowly fills a hollow with one thin layer after another. Sliced and polished, those layers turn into glowing rings and bands. Every colour except Natural is dyed to make the pattern pop; Natural is the agate's own undyed colour.

This is one of our best-selling sizes, a nice step up from the little ones. It works as a coaster for a candle, a small tray for rings, or a pop of colour on a bookshelf. People often buy two or three in different colours and group them.

How to use it

• Use it as a coaster for a small candle
• Keep your rings on it by the bed
• Group a few colours together on a shelf
• Prop it in a window for coloured light

Care: Rinse with plain water and dry right away, and keep dyed slices out of hours of strong sun so the colour stays bright.

The details

• Stone: Agate
• Unit size: 4" to 6"
• Options: Black (Enhanced), Blue (Enhanced), Green (Enhanced), Natural, Pink (Enhanced), Purple (Enhanced), Red (Enhanced), Teal (Enhanced)
• Sold as: Single piece
• Country of origin: Brazil