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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. The common red color is due to iron(III) inclusions. Jasper breaks with a smooth surface and is used for ornamentation or as ...
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]
Jasper is part of WikiProject Rocks and minerals, an attempt at creating a standardized, ... Kambaba jasper, Picture Jasper; Mosaic jasper, Burro Creel jasper; Succor ...
The population of the Municipality of Jasper according to its 2011 municipal census is 5,236, [28] a change of 10.3% over its 2008 municipal census population of 4,745. [30] Jasper's 2011 population of 5,236 comprises 4,584 permanent and 652 non-permanent residents, [28] while its 2007 census counted 4,235 permanent and 510 non-permanent ...
Omagua Indians, by Antonio Zeno Shindler, c. 1893. Fabulous stories about the wealth of the Cambeba and the search for El Dorado led to several early expeditions into their country, including those of Georg von Speyer in 1536, of Philipp von Hutten in 1541 and of Pedro de Ursúa in 1560.
JasPer, a project to create an open-source implementation of the JPEG-2000 codec; Tomcat Jasper, a software engine used by Apache Tomcat for JavaServer Pages; Jasper, a hardware revision of Microsoft's Xbox 360 video game console; Jasper Technologies, an American corporation that provides a cloud-based software platform for the Internet of Things
Jasperoid is a rare, peculiar type of metasomatic alteration and occurs in two main forms; sulfidic jasperoids and hematitic jasperoids. True jasperoids are different from jaspillite, which is a form of metamorphosed chemical sedimentary rock, and from jasper which is a chemical sediment.
Grevillea iaspicula is a shrub that grows to a height of 1.2–2.5 m (3 ft 11 in – 8 ft 2 in) and has leaves that are between 20–30 mm (0.79–1.18 in) long with have recurved margins.