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Jasper, an aggregate of microgranular quartz and/or cryptocrystalline chalcedony and other mineral phases, [1] [2] is an opaque, [3] impure variety of silica, usually red, yellow, brown or green in color; and rarely blue.
Jasperware, or jasper ware, is a type of pottery first developed by Josiah Wedgwood in the 1770s. Usually described as stoneware , [ 2 ] it has an unglazed matte "biscuit" finish and is produced in a number of different colours, of which the most common and best known is a pale blue that has become known as " Wedgwood blue ".
Orbicular jasper from Madagascar. Orbicular jasper is a variety of jasper which contains variably-colored orbs or spherical inclusions or zones. In highly silicified rhyolite or tuff, quartz and feldspar crystallize in radial aggregates of needle-like crystals which provide the basis or seed for the orbicular structure seen in this kind of jasper. [1]
Hedysarum boreale is a species of flowering plant in the Fabaceae, or legume family, and is known by the common names Utah sweetvetch, [3] boreal sweet-vetch, [4] northern sweetvetch, [5] and plains sweet-broom. [6]
John Hunter Thomas (March 26, 1928 – July 20, 1999) was an American botanist, professor of biological sciences at Stanford University, curator and director of the Dudley Herbarium, and joint curator at the California Academy of Sciences.
Biggs jasper is a variety of the mineral jasper. It is a "picture jasper" – a jasper that exhibits particular patterns and colors – and is used as an opaque gemstone . [ 1 ] It exhibits intricate, shell- or layer-like patterns in shades of brown ranging from beige to dark brown.
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Jasper National Park, in Alberta, Canada, is the largest national park within Alberta's Rocky Mountains, spanning 11,000 km 2 (4,200 sq mi). It was established as Jasper Forest Park in 1907, renamed as a national park in 1930, and declared a UNESCO world heritage site in 1984. Its location is north of Banff National Park and west of Edmonton.