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Bone China was invented in East London in 1794. It is recognized as the highest-grade porcelain in the world. Bone china is composed of bone ash, feldspathic material, and kaolin. In nature, calcium oxide does not come from many sources, so people choose animal bone powder as the source of calcium oxide. Bone china can be verified when 25% bone powder is added into raw material. However, Bone China with 45% to 51% bone powder content is the best texture, and bovine bone is the first choice. Bone china is the most solid porcelain with high mechanical, physical strength and shatter resistance, known for its high whiteness and transparency. Its tensile strength makes it thinner than other types of porcelain.
Bone China has long been the exclusive porcelain of the British royal family and nobility. Bone China is the only high-grade porcelain that is recognized in the world. It is equally useful and beautiful, so it is known as the king of porcelain and remains a symbol of wealth and status. Bone china is produced only in Britain, China, Japan, Germany, Russia and Thailand because of its complicated technology, exquisite materials and narrow firing range.
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I am so happy to have found Mearto. Their team of seasoned professionals provide a wealth of knowledge in tandem with excellent customer care. They provided an expert valuation and advised me sell a painting that I purchased for just $10 at an estate sale for nearly $1,000 on eBay. I have used them on several occasions and have been extremely pleased every time.
Mearto provides exceptional service at an exceptional price!
I used the Mearto authentication service to develop a history of a family owned piece with little to no provenance, except being owned by my family for 65 years. They came back with a 20 page extensive report and included a full page bibliography for reference. The “Stylistic Observations” section of the report was most enlightening comparing my piece to the original, which was on public display in the 1940’s.
I’m very happy with the results!
Very polite and professional services that they provide, my appraisal involved looking into an oil painting by an artist whose work is over 400 years old. Not only did they write about the artist but also where he was from and where he was born and most importantly the value, I'm impressed. (worth every penny).
I will always use Mearto for future appraisals.
The authentication report we received from Mearto was very well researched and written, as well as detailed and comprehensive. From an examination of the artist's signature to a discussion of the figural representations in the work, Mearto's art specialists took the time to explain in non-technical terms their findings. Professional, responsive, and kind are just a few words to describe their communication throughout the process-- definitely money well spent!
We needed a watch appraised and I found this website via Google. Having never doing this before, I was hesitant to submit a payment before receiving any information, I'm glad I did. David was very helpful and patient addressing my questions, and explaining the process. He was very thorough and knowledgeable. Should I have another opportunity, I would not hesitate to contact Mearto again.
Bone china is often warm milk white with a delicate texture. Generally speaking, porcelain containing 25% bone powder of herbivores (such as cattle and sheep) can be called bone china. However, according to international standards, good-quality bone china should contain more than 40% bone powder, while high-grade bone china will contain more than 45% bone powder.
Some additional factors to take into consideration include:
Royal Doulton was founded in England in 1815. With a history of 200 years, Royal Doulton is currently the world's largest manufacturer and distributor of excellent ceramic dining and gift products. It was praised by Queen Victoria as " the most beautiful porcelain maker in the world." It has accounted for 40% of the world's famous bone china production. Royal Doulton Bone China has a special visual cleanliness. It adds 50% of the 3-year-old bull bone meal in the high-temperature firing process, so it is exquisite. The Laozhen rose series is Princess Diana's favorite and one of the best-selling bone china sets of all time. Moreover, the quality of Royal Doulton's bone china is guaranteed. According to the company, four bone china cups can carry the weight of a motorcycle.
Wedgwood, first incorporated in 1895 as Josiah Wedgwood and Sons Ltd, is a fine china, porcelain, and luxury accessories manufacturer that was founded on 1 May 1759 by the English potter and entrepreneur Josiah Wedgwood. Because it is royal porcelain, Wedgwood's works are mostly arc-shaped, round and delicate, with gold or silver metal edges to outline the objects. The sides are painted with thick colors, or decorated with light and elegant small flowers or fruit patterns.
Royal Copenhagen, officially the Royal Porcelain Factory, is a Danish manufacturer of porcelain products, founded in Copenhagen in 1775 under the protection of Danish Dowager Queen Juliane Marie. The products combine traditional Nordic handicraft with Oriental porcelain painting style. Due to the accurate painting of natural plants, elegant color and superb techniques, the classic "Danish flowers" have also become a national treasure in Denmark.
