0 Blue Topaz Cut Stone, Octagon, Dark, 8x10mm
- 8110349
- Out of stock - Pre-order Pre-Order
- £45.00 Per pc exc.VAT
Blue Topaz Cut Stone, Octagon, Dark, 8 x 10 mm. 3.90 ct.
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
