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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]
Near Biggs jasper a stratum of white clay is sometimes found, locally named "wascoite" for the town of Wasco, Oregon. It is probably the end form of much-weathered volcanic debris. Also often found together with Biggs jasper is a dark gray, somewhat translucent chert. It formed from colloidal silica released from the volcanic debris. Because of ...
True Indian bloodstone is primarily found in the Deccan Traps of India, though other rocks with red jasper in them may be found in South Africa, Western Australia, Brazil, Bulgaria, Czech Republic, Italy, Nova Scotia, and numerous locations in the United States. [8] There are also occurrences of bloodstone on the Isle of Rum, in Scotland. [9]
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Jasper-quartz pebble conglomerate found near Bruce Mines, Ontario, Canada. Jasper conglomerate is an informal term for a very distinctive Paleoproterozoic quartz and jasper pebble conglomerate that occurs within the middle part of the Lorrain Formation of the Cobalt Group of the Huronian Supergroup.
The report found that Gaetz paid $90,000 to 12 women, a substantial portion of which the panel found was likely for either sexual activity or drug use. ... (Reporting by Jasper Ward and Andrew ...
The South Carolina Law Enforcement Division has announced the arrests of three people after a woman was found bound and unconscious on a river bank in Jasper County.. The woman, whose name has not ...