Its high strength allows it to be produced in thinner cross-sections than other types of porcelain. Bone china is a type of soft-paste porcelain that is composed of bone ash, feldspathic material, and kaolin. The first commercially widespread bone china was developed by the English potter Josiah Spode in the early 1790s.
It has been defined as ware with a translucent body containing a minimum of 30% of phosphate derived from animal bone and calculated calcium phosphate. The item "4 Russian Cobalt Blue Net Tea Cup Mugs Saint Petersberg 24K Gold Bone China" is in sale since Tuesday, March 10, 2015. This item is in the category "Pottery & Glass\Pottery & China\China & Dinnerware\Lomonosov".
The seller is "worldgifts1" and is located in Fair Lawn, New Jersey. This item can be shipped worldwide.