 | | Journal (article/letter/editorial) | | Concho Street Houston, Texas 77036 THE STATE OF LOUISIANA lies entirely within the Gulf of Mexico coastal...Vernon Parish* and petrified wood with small cavities of drusy quartz crystals from Sabine Parish. Iron...and Figure 1. Louisiana parishes, Louisiana Geological Survey. *A parish in Louisiana is the same a~a...in place in the late eighteenth century. when Louisiana was a French-speaking Spanish colony. 156 ROCKS...petroleum exploration and production as well as active salt mining and brine production, all of which have contributed |  | | Report (issue) | | terminal rhombohedrons in a habit suggesting that of quartz, but their satiny-gleaming luster (never mind their...repeat performance of the inky blue fluorite-on-quartz specimens from the nearby Huanggang mine, but more...crystal groups of green (hedenbergite-included) quartz from the Huanggang mines of Inner Mongolia, China...typically fulsome specimen pictured here costs $1100. Quartz with hedenbergite inclusions, 11 cm, from the Huanggang...pyrite and tetrahedrite, with little garnishes of quartz and blue fluorite crystals. The rhodochrosite rhombs |  | | Journal (article/letter/editorial) | | KŁODAWA SALT MINE, CENTRAL POLAND: RECORDS OF THE THERMAL HISTORY OF THE PARENTAL SALT DOME Jacek WACHOWIAK§...brownish in color, were found in the Kłodawa salt dome, located within the Mid-Polish Trough (central...Anhydrite as convenient pathways for migration in the dome, in contrast to the host rock-salts, which are too...trembathite, phase-transitions, thermal history, Kłodawa dome, Permian–Mesozoic Polish Basin Introduction The...nature. Ericaite is known mainly from the Zechstein salt deposits of Germany (Kühn & Schaacke 1955, Heide |  | | Journal (article/letter/editorial) | | assemblage one, bismuth-sulfosalts are associated with quartz and chalcopyrite, with minor bismuthinite and sphalerite;...up to about 1 cm across associated with anatase, quartz, orthoclase, and pyrite. Examination of hand specimens...the following paragenetic sequence: orthoclase + quartz + anatase followed by minor pyrite and white, green...found are dolomite, pyrite, magnetite, calcite, quartz, and tremolite. These are accompanied by minor... and several as yet unidentified minerals. The quartz crystals are frequently deformed, with inwardly |  | | Report (issue) | | The later calcium salts. ______ ____ Theoretical salt successions from sea water _-__''Dynamic-polythermal"...-______________ 22 11. Map showing the distribution of Permian salt deposits in northwest Europe and the British Isles...__________________ Analyses of potash zones and salt clays of marine evaporites-_-__________________...formed initially by the evaporation of sea water in salt pans, marine salinas, lagoons, and relict seas....categories: marginal salt pans, marine salinas, lagoons, and relict seas. Salt bodies of marine type |  | | Journal (article/letter/editorial) | | the difference between a calcite crystal and a quartz crystal. Then you are all set for the "Really Big...6 . 5 0 a n d $7.50. CHAMBERSITE CRYSTALS—Venice Salt Dome, Lousiana Manganese Chloro-borate. New Locality |  | | Journal (article/letter/editorial) | | regionalassociationbe- carnallite,anhydrite,and salt clay from the German tween evaporitedepositsand...Ren[ro, 1974; tents of halite from the Reitbrook salt dome, GerRose, 1976), and there are indicationsthat...Group; the other wells anhydrite,gypsum,calcite,quartz, hematite,and tion consists of a lower massive...halite Formation Paradox Member, Hermosa Venice Salt Dome halite halite halite Prairie Evaporite,...Elk Point Group anhydrite Formation Orchard Salt Dome, Texas 6.5 5.5 2.1 anhydrite anhydrite anhydrite |  | | Catalog/List | | Andreasberg Rich gray botryoidal aggregates in quartz ...... ALLOPHANE Hydrous aluminum silicate Seain...Saguache County, Klondike mine Cleavage plates in quartz with pyrite ......... AMBER Oxygenated hydrocarbon...in magnetite with stilpnomelane, penninite and quartz ...... . HASTINGSITE Iron calcium sodium potassium...iron silicate Colorado El Paso County, St. Peter's Dome Black xis and cleal'ages with granite ........ ...Moravia, Dolni Bory Pink crystals with lepidolite and quartz ....... Mexico Baja California, San Juan Bautista |  | | Book (edition) | | very old origin, often without lrnown source. e.g. quartz or cinnabar. Current practice most often names...polished mineral surface, expressed in clase. 7 - quartz. 8 - topaz, 9 - corundum, 10 - dia- percentage...always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...purine-porphyrine group). a nickel porphyrine. With quartz. rutile, piemontite, sursassite, ardennite, Triclinic... translucent, luster growing on orthoclase and quartz on the Malosa resinous.streak white. H = 5. D = |  | | Journal (issue) | | be had at twice the above prices. | | | SMOKY QUARTZ CRYSTAL GEODES, Chihuahua, Mexico. Sawed halves...return of same. These may contain amethyst, smoky quartz, goethite, calcite or other minerals. 3" diameter...gecde All will be postage charges for blue white quartz, diameter $3.50 ea. AGATE SLABS. From Mexico or...bright black crystals scattered on corroded smoky quartz xls and masses, lxl 75e. 1x2" $1.25. 2x2"$2.00...misidentified this mixture of manganiferous hematite with quartz and calcite as a cerium mineral, and proposed the |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Especially when the mineral species is common, such as quartz (75.1.3.1), many varieties (jasper, onyx) are known...chemistry and structure are identical to those of quartz. 5D. Polytypes Materials whose basic structural...only with fibrous minerals Columbite, wolframite Quartz Opal, some yellow varieties of sphalerite Nepheline...are distinctive. Chonchoidal fracture, typical of quartz, gives a fracture similar to the interior of a...Calcite 4 5 6 Fluorite Apatite Orthoclase a Quartz Soft, greasy feel like tale and graphite, and |
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