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Jet (lignite): Quiz

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Question 1: Hard jet is the result of the carbon compression and salt water; soft jet is the result of the carbon compression and ________.
LakeFreshwaterEarthWater resources

Question 2: Jet is either black or dark brown, but may contain ________ inclusions, which are of brassy color and metallic lustre.
OxygenPyriteQuartzGalena

Question 3: Jet is not considered a true ________, but rather a mineraloid as it has an organic origin, being derived from decaying wood under extreme pressure.
MineralCalciumCarbonSolid

Question 4: Jet is easily polished and is used in manufacturing jewellery, according to the Whitby Museum, dating from 10,000 BC in parts of contemporary ________.
GermanyGreecePolandNetherlands

Question 5: Jet as a gem material was highly popular during the reign of Queen Victoria, during which the Queen wore ________ jet as part of her mourning dress.
Scarborough, North YorkshireWhitbySelbyRipon







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