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development of bone china is attributed to josiah spode , who introduced it around . the original basic formula of six parts bone ash, four parts china stone, and three and a half parts china clay remains the standard english body. hard porcelain is strong but chips fairly easily and, unless specially treated
, is usually tinged with blue or gray. bone china is easier to manufacture, is strong, does not chip easily, and has an ivory-white appearance. very soon the bone china was copies by minton , coalport , davenport , derby, worcester, and the herculaneum factory at liverpool. later on it was used by new...
http://www.thepotteries.org/types/bonechina.htm