New arrival: Gaffer Chalcedony and Blue Chalcedony frit in K2. Resealable bags of 50g for £3.15. Coming soon - Gaffer Chalcedony and Blue Chalcedony Taster Pack, which will include 25g resealable bags of Chalcedony in sizes K0, K1 and K2 and Blue Chalcedony in sizes K0, K1 and K2.