The Empire Nephrite egg is a jewelled

Jewellery

Jewellery or jewelry is a form of personal adornment, such as brooches, rings, necklaces, earrings, and bracelets.With some exceptions, such as medical alert bracelets or military dog tags, jewellery normally differs from other items of personal adornment in that it has no other purpose than to...

 Easter egg

Easter egg

Easter eggs are special eggs that are often given to celebrate Easter or springtime.The oldest tradition is to use dyed or painted chicken eggs, but a modern custom is to substitute chocolate eggs, or plastic eggs filled with confectionery such as jelly beans...

 made under the supervision of the Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

n jeweller Peter Carl Fabergé

Peter Carl Fabergé

Peter Karl Fabergé also known as Karl Gustavovich Fabergé in Russia was a Russian jeweller of Baltic German-Danish and French origin, best known for the famous Fabergé eggs, made in the style of genuine Easter eggs, but using precious metals and gemstones rather than more mundane materials.-Early...

 in 1902, for Nicholas II of Russia

Nicholas II of Russia

Nicholas II was the last Emperor of Russia, Grand Prince of Finland, and titular King of Poland. His official short title was Nicholas II, Emperor and Autocrat of All the Russias and he is known as Saint Nicholas the Passion-Bearer by the Russian Orthodox Church.Nicholas II ruled from 1894 until...

, who presented it to his mother, the Dowager Empress Maria Feodorovna.

The name of the egg refers to the fact that it was made in the Empire Style

Empire (style)

The Empire style, , sometimes considered the second phase of Neoclassicism, is an early-19th-century design movement in architecture, furniture, other decorative arts, and the visual arts followed in Europe and America until around 1830, although in the U. S. it continued in popularity in...

, from nephrite

Nephrite

Nephrite is a variety of the calcium and magnesium-rich amphibole mineral actinolite . The chemical formula for nephrite is Ca25Si8O222. It is one of two different mineral species called jade. The other mineral species known as jade is jadeite, which is a variety of pyroxene...

. It is thought to have had a golden base and was decorated with diamonds and a medallion portrait of Alexander III of Russia

Alexander III of Russia

Alexander Alexandrovich Romanov , historically remembered as Alexander III or Alexander the Peacemaker reigned as Emperor of Russia from until his death on .-Disposition:...

. It is one of eight eggs that are currently lost.