0 
Blue Topaz Cut Stone, Octagon, Light - 6 x 8mm
- 8110346
- £9.20 per pc exc.VAT
Blue topaz has a stunning range of colours, great lustre and good durability. It comes in 3 shades of blue from Sky Blue (the lightest) to Swiss Blue (mid-blue) and London Blue (Deep Blue).
Hardness (vs abrasion/scratching) 8/10
Toughness (resistance to fracture) fair to poor (it has moderate to easy cleavage in one direction)
Stability (resistance to chemicals, UV etc.) good
