 | | Journal (article/letter/editorial) | | serpentinites. Commonly associated minerals include calcite, dolomite, quartz, clinozoisite, wollastonite,...white, and pink crystals. Sizes of Jeffrey grossular vary by color. The largest crystals, some to 5 cm in...Associated minerals include aegirine, allanite, calcite, epidote, prehnite, titanite, and microcline (Horváth...crystals in the collection are associated with calcite. Grossular is also found in a skarn at Bancroft...the 1950s in rodingite. The crystals of grossular vary in size from a few millimeters to approximately |  | | Journal (article/letter/editorial) | | 4 n 211 Calcite CaCO, n 014 synthetic Calcite (spar) 014 Black Hills, SD CaCO, n 014 Calcite Cherokee...014 see notes Calcite-Mg see (8) below Calcite 014 Creel, Chihua, Mex CaCO, n 014 Calcite synthetic CaCO...CaCO, n Calcite CaCO, n 014 Bitola, Yugoslav. Cassiterite SnO 2 n 110 Krasno, CSSR synthetic Celestine...Kaolinite Georgia med crystall. n Kaolinite Karlovy Vary, CSSR nominal Buenavista, Cuba Al,SiO- n Kyanite...Tungsten Wn synthetic Llano, TX nominal Vermiculite Hazlov, CSSR (next line) Vesuvianite Ca 835 Mg 42 Fe 79 |  | | Journal (article/letter/editorial) | | we studied soils on a mofette site in the Czech Republic at three spots differing in the partial pressures...Italian Tuscany, the German Eifel Mountains or the Czech Eger Rift). In soils developed on such sites, CO2...x 113 The study site is located in the NW Czech Republic, 10 km E of Františkovy Lázně on the floodplain...soil-forming sediments. However, near the village of Hazlov (approx. 20 km away from the study site and upstream)...Kostel focal zone in the western Eger Rift, Czech Republic. Chemical Geology 290, 163–176. Casanova, J |  | | Book | | extraordinary influence to several generations of Czech and Slovak mineralogists and mineral collectors...to 50 mm(approx. 2in) also occur there, as do calcite crystalwith copper inclusions. Superb supergene...long were also found in Pribrarn and Jachymov, Czech Republic. Dendritic aggregates from Batopilas, Chihuahua...mm (4 in) was made in Krepice near Vodnany, Czech Republic. Application: practically the only source of...California, Terlingua, Texas, USA; Dedova hora, Czech Republic and Rudnany, Slovakia as droplets and liquid |  | | Book | | extraordinary influence to several generations of Czech and Slovak mineralogists and mineral collectors...to 50 mm(approx. 2in) also occur there, as do calcite crystalwith copper inclusions. Superb supergene...long were also found in Pribram and Jachymov, Czech Republic. Dendritic aggregates from Batopilas, Chihuahua...mm (4 in) was made in Krepice near Vodnany, Czech Republic. Application: practically the only source of...California, Terlingua, Texas, USA; Dedova hora. Czech Republic and Rudnany, Slovakia as droplets and liquid |  | | Journal (article/letter/editorial) | | simple pyramidal in habit and are associated with calcite, sometimes blue, in contact metamorphic occurrences...trivalent. prismatic to equant, and occurrences vary. T he specimens analyzed by Itoisch (1985) fall...Zermatt, Switzerland NMNH B 2 0 8 3 7 red-brown 3.6 Hazlov, Czechoslovakia NMNH 115461 brown 3.7 Olmsteadville...indicating some substitution of Mn for Ca. Our results vary slightly from those of Hoisch (1985), who found...(1972) An antimonian idocrase from the Bau mining district, Sarawak, Malaysia. Min Mag 38: 894-896 Burns |  | | Book | | common minerals crystallize in this system, e.g. calcite, dolomite, siderite, ‘low’ quartz (alpha quartz)...minerals may crystallize in many different forms. Calcite, for instance, crystallizes in 1,200 different...distinguishing clue (figure 5). For instance, calcite crystallizes in the trigonal system, aragonite... of quartz after barytes, and of pyrite after calcite. If the chemical composition of a mineral remains...paramorphosis. Examples include aragonite into calcite, marcasite into pyrite, 13 and occasionally |  | | Book | | common minerals crystallize in this system, e.g. calcite, dolomite, siderite, 'low' quartz (alpha quartz)...minerals may crystallize in many different forms. Calcite, for instance, crystallizes in 1,200 different...distinguishing clue (figure 5). For instance, calcite crystallizes in the trigonal system, aragonite... of quartz after barytes, and of pyrite after calcite. If the chemical composition of a mineral remains...paramorphosis. Examples include aragonite into calcite, marcasite into pyrite, 13 and occasionally diamond | | | Book | | common minerals crystallize in this system, e.g. calcite, dolomite, siderite, 'low' quartz (alpha quartz)...minerals may crystallize in many different forms. Calcite, for instance, crystallizes in 1,200 different...distinguishing clue (figure 5). For instance, calcite crystallizes in the trigonal system, aragonite... of quartz after barytes, and of pyrite after calcite. If the chernical composition of a mineral remains...paramorphosis. Exa1nples include aragonite into calcite, marcasite into pyrite, 13 and occasionally diamond |  | | Book | | specimens of a particular mineral, e.g. quartz, may vary not only in colour (see plates) but also in crystal...crystal form, e.g. the many crystal forms of calcite. Perfect models of crystals are only confusing for...are some rocks (such as marble, composed only of calcite crystals) which are chemically homogeneous but...fissures. Well known minerals, such as quartz and calcite, originate at this stage and are known as /iydrothermal...is liberated, which may affect the neighbouring calcite, changing it into gypsum or into a whole series |  | | Book (edition) | | andreprodu<..1ion by StudioVVG, Prague Printedin Czech Republicby Finidr.u.o .. Ce,ky Te~in 14/02/03/0...Publishing House in Prague and which recei\ ed the Czech Literary Award for best book in the natural sciencesfor...and other Larin Ianguages. and in the- Polish. Czech, Greek, Hungarian, Finnish. and Swahili Ianguages...the triclinic system. The lattice constants may vary somewhat for the same mineral due to chemical composition...opaque mineral to reflect the light gypsum. 3 - calcite, 4 - fluorite, 5 - apatite, 6 - ortho- beam on |  | | Book | | Différentes formes caractérisùques de cristaux de calcite. • sur les pierres précieuses dans l'ouvrage...plusieurs formes différentes. Les cristaux de calcite peuvent affecter plusieurs formes) très différentes...trouve souvent sous forme de druses le quartz, la calcite, la fluorine, la barytine etc. On rencontre souvent...CaC03, du système orthorhombique se transforme en calcite rhomboédrique, tout en conservant la forme du cristal...fait planes et lisses), les clivages parfaits (calcite), les bons clivages (fluorine) et les clivages | | | Book | | specimens of a particular mineral, e.g. quartz, may vary not only in colour (see plates) but also in crystal...crystal form, e.g. the many crystal forms of calcite. 7 a i ■ I II I g 1 I I3 . Perfect models of...arc some rocks (such as marble, composed only of calcite crystals) which are chemically homogeneous but...fissures. Well known minerals, such as quartz and calcite, originate at this stage and arc known as hydrothermal...is liberated, which may affect the neighbouring calcite, changing it into gypsum or into a whole series |  | | Book | | feldspars, amphiboles, pyroxenes, micas, olivine and calcite. These minerals form rocks, and rocks are the basic...formation of such minerals as quartz, dolomite and calcite. If elements of heavy metals are present in the...a later stage with different minerals, such as calcite, quartz and chalcedony. Many minerals arise from...give rise to various minerals, such as aragonite, calcite, chal cedony and cinnabar. On the surface of the...Rosiwa l 100 1000 10 000 100 000 talc gypsum calcite fluorite -- apatite orthoclase - --=====------- | | | Book | | feldspars, amphiboles, pyroxenes, micas, olivine and calcite. These minerals form rocks, and rocks are the basic...formation of such minerals as quartz, dolomite and calcite. If elements of heavy metals are present in the...a later stage with different minerals, such as calcite, quartz and chalcedony. Many minerals arise from...give rise to various minerals, such as aragonite, calcite, chalcedony and cinnabar. On the surface of the... =20% Fig. 3 Hardness of the same mineral may vary in different crystallographic directions, eg kyanite |
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