what are the ashes for ash wednesday made of
Ash Wednesday The Catholic Church and the Methodist Church say that the ashes should be those of palm branches blessed at the previous year's Palm Sunday service,[34][42] while a Church of England publication says they "may be made" from the burnt palm crosses of the previous year.[31][32] These sources do not speak of adding anything to the ashes other than, for the Catholic liturgy, a sprinkling with holy water when blessing them. An Anglican website speaks of mixing the ashes with a small amount of holy water or olive oil as a fixative.[43]
Bone china The production of bone china is similar to porcelain, except that more care is needed because of its lower plasticity and a narrower vitrification range. The traditional formulation for bone china is about 25% kaolin, 25% Cornish stone and 50% bone ash.[11] The bone ash that is used in bone china is made from cattle bones that have a lower iron content. These bones are crushed before being degelatinised and then calcined at up to 1250 °C to produce bone ash.[12] The ash is milled to a fine particle size.[13] The kaolin component of the body is needed to give the unfired body plasticity which allows articles to be shaped.[2] This mixture is then fired at around 1200 °C.[13] The raw materials for bone china are comparatively expensive, and the production is labour-intensive, which is why bone china maintains a luxury status and high pricing.[5]