Rare Hackmanite Small Palmstone (UV + Tenebrescent) Black Friday Worrystone ruby red grapefruit and grated

ruby red grapefruit and grated ginger

5-3cm each

Comes in its own plastic specimen display box for safekeeping

See video for 360°

A small 8-sided tower of polished Russian Shungite

Rare Hackmanite Small Palmstone (UV + Tenebrescent) Black Friday Worrystone ruby red grapefruit and gratedA polished small palmstone of Hackmanite. A rare stone which is UV reactive and has a unique reaction known as 'Tenebrescence'. Tenebrescence (also known as reversible photochromism) is the rare ability of certain minerals to change color when exposed to light (such as UV rays or sunlight), and then slowly revert to their original color in the dark. This reaction has been captured on camera. The first 2 photos of the darker purple are after being