Sapphire jewelry. They also may be created synthetically in laboratories for industrial or decorative purposes in large crystal boules. Because of the remarkable hardness of sapphires – 9 on the Mohs scale (the third hardest mineral, after diamond at 10 and moissanite at 9.5) – sapphires are also used in some non-ornamental applications, such as infrared optical components, high-durability windows, wristwatch crystals and movement bearings, and very thin electronic wafers, which are used as the insulating substrates of very special-purpose solid-state electronics (especially integrated circuits and GaN-based LEDs). Sapphire is the birthstone for September and the gem of the 45th anniversary.
Acts of Parliament of the United Kingdom relating to the European Communities and the European Union Acts of Parliament of the United Kingdom relating to the European Communities and the European Union This is a list of current, amended, spent and repealed Acts of the Parliament of the United Kingdom relating to its membership of the European Communities and the European Union from 1972 to the present. Some of the acts (particularly the European Communities Act 1972 and the European Union (Withdrawal) Act 2018 represent some of the most important constitutional legislation currently on the statue book . This act legislated for the accession of the United Kingdom to the European Communities which later became the