The Pocket Book of Stones corundum Approximate weight of 1 piece:

Approximate weight of 1 piece: 5g

5cm x 7cm x 7cm

when the gemstone is kept away from light

It's important to note that excessive exposure to light can lead to fading of the tenebrescent effect in hackmanite

This design was crafted in-house by the owner of Rubble Rock and Gem and is part of our exclusive merchandise and apparel collection

The Pocket Book of Stones corundum Approximate weight of 1 piece:Description: Detailing the spiritual and healing qualities of 390 members of the mineral kingdom, The Pocket Book of Stones is a condensed reference guide to crystals and gems based on the bestselling The Book of Stones: Who They Are and What They Teach. This portable A to Z guide features beautifully lit, full color photos of each stone to aid in identification and to showcase the beauty of the crystals and gemstones. This updated edition describes