0 
black star cabochons 6x8mm
- 8110264
- £2.00 exc.VAT
Also known as star diopside. These stones are glossy black with inclusions that produce an off-centre star effect (asterism)
Hardness (vs abrasion/scratching) 5.5/10
Toughness (resistance to fracture) fair to good
Stability (resistance to chemicals, UV etc.) fair
