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Title: Miscellaneous geological specimens
Item Name: Rock


Eight pieces of rock and minerals, including jet, gypsum and selenite. Jet is a hard, black mineral, formed by the compression of wood laid down in layers under the sea. In Britain it has been used since the Bronze Age, carved into pieces of jewellery. In the 19th century, Whitby jet was particularly used for mourning jewellery, following the death of Queen Victoria's consort, Prince Albert. Gypsum is a sedimentary rock, that is formed by the evaporation of salt water. It is used to make plaster of paris.

Materials: jet; gypsum; selenite
ID_Number: ERYMS (BAG) : 1998.677