Did you work out what the stone’s secret was last week?

It was a geode in which white quartz crystals have formed.

A Geode

A Geode

You may have to look closely to work out what this week’s curiosity is. For a clue, visit the “A Writing Life” page on this site and look at the second picture.

You may have to look very closely to work out what this curiosity is

You may have to look very closely to work out what this curiosity is