(petrology) A dense, opaque to slightly translucent cryptocrystalline quartz containing iron oxide impurities; characteristically red. Also known as jasperite; jasperoid; jaspis.
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(petrology) A dense, opaque to slightly translucent cryptocrystalline quartz containing iron oxide impurities; characteristically red. Also known as jasperite; jasperoid; jaspis.
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An opaque, impure type of massive fine-grained quartz that typically has a tile-red, dark-brownish-red, brown, or brownish-yellow color. Jasper has been used since ancient times as an ornamental stone, chiefly of inlay work, and as a semiprecious gem material. See also Gem; Quartz.
Jasper has a smooth conchoidal fracture with a dull luster. The specific gravity and hardness are variable; both values approach those of quartz. The color of jasper often is variegated in banded, spotted, or orbicular types.
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William Jasper (c. 1750 – October 9, 1779) was a noted American soldier in the Revolutionary War. He was a sergeant in the 2nd South Carolina Regiment.
Jasper distinguished himself in the defense of Fort Moultrie on June 28, 1776. When a shell from a British warship shot away the flagstaff, he recovered the South Carolina flag, raised it on a temporary staff, and held it under fire until a new staff was installed . Governor Rutledge gave a golden sword to Jasper in recognition of his bravery.
In 1779, Sergeant Jasper participated in the Siege of Savannah, led by General Lincoln, which failed to recapture Savannah, Georgia, from the British. He was mortally wounded during an assault on the British forces there.
Sgt. Jasper's story is similar to that of Sgt. John Newton. Several states have adjacent counties named Jasper and Newton, as though these were remembered as a pair, due to the popularity of Parson Weems' fictionalizing early American history.[1]
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