HMS Onyx explained

Seven ships of the Royal Navy have borne the name HMS Onyx, after the mineral Onyx. Another was renamed before being launched:

• was a 10-gun launched in 1808 and sold in 1819.
• was a 10-gun Cherokee-class brig-sloop launched in 1822 and sold in 1837. Between 1748 and 1852, Onyx carried emigrants from Guernsey to Adelaide.
• was an iron paddle packet launched in 1845 and sold in 1854.
• was a wooden screw gunboat launched in 1856. She became a dockyard craft in 1869 and was broken up in 1873.
• was an launched in 1892. She became a depot ship in 1907 and was renamed HMS Vulcan II in 1919. She was sold in 1924.
• was an launched in 1942 and scrapped in 1967.
• HMS Onyx was to have been an . She was transferred to the Royal Canadian Navy and renamed before her launch in 1964.
• was an Oberon-class submarine launched in 1967. She was decommissioned in 1990 and handed over to the Warship Preservation Trust in 1991.

References

• Book: Sarre, John W. . Howell . Alan . 2007 . Guernsey sailing ships, 1786–1936 . Guernsey Museum monograph series . 8.