Cone 6: Beetle Wing is a glossy, opaque green glaze that breaks over texture and has an iridescent sheen. Semi-fluid at 3 coats.Cone 10: Beetle Wing changes to a glossy blue.Mayco Glaze - Beetle Wing (Pint) SW228SKU: 097539147856CA$30.00PriceQuantity*Add to CartFiring Temperature Mid-Fire Glaze intended for use at Cone 5-6. Results may vary.