The first item is a pencil holder, a gift each of us got at last Thursday’s dinner. It was nicely packed and sturdy and survived the journey here. Not so the bone china tea cup made in Japan : ( .. I should have padded it much more since it’s very thin, as the broken pieces show. Bone china is a type of porcelain that is composed of bone ash, feldspathic material and kaolin. The English potter Josiah Spode is actually credited with the final successful formula, around 1789 to 1793.