Cone 6: Ivy is a glossy, opaque, variegated green glaze with that breaks over texture and has an iridescent sheen. Green micro-crystallization may develop. Cone 10: Glaze shifts to a variegated jade that breaks purple over texture. Micro-crystallization enhances. TIP: This glaze is fluid; Apply receding coats to avoid runoff on vertical pieces and practice caution in combination. Prone to pinholes when fired on manganese clay bodies.