0 
Blue Topaz Cut Stone, Oval, Light, 10 x 12 mm
- 8110354
- £20.70 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
