Rare Hackmanite Small Palmstone (UV + Tenebrescent) Black Friday Worrystone 5-3cm each

5-3cm each

A raw pegmatite Quartz chunk with inclusions of Pink (Rubellite) Tourmaline

A small 8-sided tower of polished Russian Shungite

Malachite and very rare Gem Silica deposits (dark blue crystalline layer)

Rare Hackmanite Small Palmstone (UV + Tenebrescent) Black Friday Worrystone 5-3cm eachA 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