Industry WIKI

Crown gold is a 22 karat (kt) gold alloy used in the crown coin introduced in England in 1526 (by Henry VIII). In this alloy, the proportion of gold is 22 parts out of 24 (91.667% gold). Crown gold is appreciably less prone to wear than the softer 23 kt gold of earlier gold sovereigns — an important point for coins intended for everyday use in circulation. Later British gold coins includ

A goldsmith is a metalworker who specializes in working with gold and other precious metals. Modern goldsmiths mainly specialize in jewelry-making but historically, they have also made silverware, platters, goblets, decorative and serviceable utensils, and ceremonial or religious items.

Baron Guy Édouard Alphonse Paul de Rothschild (pronounced [baʁɔ̃ ɡi edwaːʁt‿alfɔ̃s pɔl də ʁɔt.ʃild]; 21 May 1909 – 12 June 2007) was a French banker and member of the Rothschild banking family of France. Between 1967 and 1979, he was the chairman of the French Banque Rothschild, nationalized by the French government in 1982, and maintained investments in other French and foreign companie

Larimar is the tradename for a rare blue variety of the silicate mineral pectolite found only in the Dominican Republic, around the city of Barahona. Its coloration varies from bluish white, light-blue, light-green, teal, green-blue, turquoise blue, turquoise green, turquoise blue-green, deep green, dark green, to deep blue, dark blue and purple, violet and indigo and the larimar can com

Precious metals are rare, naturally occurring metallic minerals of high economic value. Precious metals, particularly the noble metals, are more corrosion resistant and less chemically reactive than most elements. They are usually ductile and have a high lustre. Historically, precious metals were important as currency but they are now regarded mainly as investment and industrial raw mate