USS Sapphire (PYc-2) of the war, "Sapphire" was designated for inactivation. On 19 September 1945, the boat departed New London and proceeded to Charleston, South Carolina, where she was decommissioned on 29 October 1945. Struck from the Navy List on 13 November of the same year, she was transferred to the Maritime Commission for disposal through sale on 3 September 1946. USS Sapphire (PYc-2) The second USS "Sapphire" (PYc-2) was a patrol boat in the United States Navy. Originally a private yacht and later a navy training vessel, "Sapphire" was built in 1929, and named "Margo" by George Lawley & Son, Neponset, Massachusetts.
Yogo sapphire Montana sapphire mines have been less successful because they have few blue sapphires and non-blue sapphires have low profit margins. These gems inspired the names of features: the mountains near Rock Creek are known as the Sapphire Mountains. Garnets are also found at some Montana sapphire sites, inspiring the name of the Garnet Range, which lies to the north of the Sapphire Mountains. In 1969, the sapphire and agate were jointly declared Montana's two official state gemstones. Mining of Yogo sapphires was exceptionally difficult and remains sporadic today. Even so, Yogo sapphire mining turned out to be more valuable than