Changes

'''Jet'' is a [[mineral]]-like material derived from decaying [[wood]] placed under extreme pressure.  Owing to its organic origins the chemical composition of jet varies and therefore like [[amber]], cannot be classified as a mineral. Jet is either black or dark brown in color.  

'''Jet''' is a [[mineral]]-like material derived from decaying [[wood]] placed under extreme pressure.  Owing to its organic origins the chemical composition of jet varies and therefore like [[amber]], cannot be classified as a mineral. Jet is either black or dark brown in color.  

Jet is easily polished and is used in manufacturing jewellery. Jet as a [[gem]] material was popular during the reign of Queen Victoria, during which the Queen wore [[Whitby]] jet as part of her mourning attire.

Jet is easily polished and is used in manufacturing jewellery. Jet as a [[gem]] material was popular during the reign of Queen Victoria, during which the Queen wore [[Whitby]] jet as part of her mourning attire.

[[Category:Mineralogy]]

[[Category:Mineralogy]]