 | | Journal (article/letter/editorial) | | rock at notable localities such as the Cheapside quarry at Deerfield, Franklin County, where it occurred...Massachusetts; fine specimens were also found at the Notch quarry at nearby Amherst. Similarly, datolite occurred...in the Braen quarry, Haledon; the Francisco quarry at Great Notch; and the Riverside quarry, Totowa, also...magnificent 22.22-carat faceted datolite from the Lane quarry, Westfield, Massachusetts; stone cut by Anthony...quarries in Somerset County including the Millington quarry (excellent groups to 10 cm; Kent and Butkowski |  | | Book | | extraordinary influence to several generations of Czech and Slovak mineralogists and mineral collectors...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...Sweden; Les Chalanches, France and Brezina, Czech Republic. Lead Pb CUBIC e e M oschellandsbergite |  | | Book | | extraordinary influence to several generations of Czech and Slovak mineralogists and mineral collectors...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...Sweden; Les Chalanches. France and Brezina. Czech Republic. Lead Pb cubic • • Moschellandsbergite |  | | Journal (issue) | | Three Interesting Silicates from the Laytonville Quarry, California Robert J. Lauf Oak Ridge, Tennessee...silicate minerals were discovered at the Laytonville quarry, Mendocino Co., California, Agrell and coworkers...collector. Geology of the Laytonville Quarry The Laytonville quarry, Mendocino Co., California, contains...(Agrell, Bown, and McKie 1964). The Laytonville quarry exotic block represents a series of deep-ocean...contemporaneous with the development ofthe tremolite-talc exotic block rind assemblage, there is a minor development |  | | 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...reflected light (e.g. micas). or flexible (e.g. talc) minerals. In crystal optics for reflected light...ability of a mineral to scratch another one: 1 - talc, 2 - relative ability of an opaque mineral to reflect |  | 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) | | Dept. of Mineralogy, National Museum, Prague, Czech Republic. Seppo Lahti: Geological Survey of Finland...United States, from east to west Canada Mexico Central America and the Caribbean Greenland Iceland European...Co., Bonanza mine, Trinity Co., Michigan Bluff district, Placer Co., in AK, placers at Fairbanks, Iditarod...and quartz veins at Juneau. In Canada, Noranda district, PQ; Porcupine, Kirkland Lake, and Larder Lake...deposits, ON; Atlin and Caribou, BC; and Klondike district, YT. In Mexico, Altar and Magdalena, SON; Parral |  | | Book | | examples for the hardness test is as follows: 1 - talc; 2 - rock salt (halite), gypsum; 3 - calcite; 4-...Freiberg and Schneeberg, GDR; Wittichen, FRG: Kutna Hora, Jachymov and Banska Stiavnica, Czechoslovakia;...such as in deposits in Bodenmais, FRG; in the Bohemian and the Saxon Ore Mountains; and in Ammeberg,...Cumberland and elsewhere in Great Britain; Tri States District, Missouri, Iowa, and Illinois, USA. The 'deposit...Romania; Calaveras County, California, Cripple Creek District and Boulder County, Colorado, and Huronian Mine | | | Book | | examples for the hardness test is as follows: l - talc; 2 - rock s_a lt (halite), gypsum; 3 - calcite;...Freiberg and Schneeberg, GDR; Wittichen, FRG: Kutna Hora, Jachymov and Banska Stiavnica, Czechoslovakia;...such as in deposits in Bodenmais, FRG; in the Bohemian and the Saxon Ore Mountains; and in Ammeberg,...Cumberland and elsewhere in Great Britain; Tri States District, Missouri, Iowa, and Illinois, USA. The 'deposit...Romania; Calaveras County, California, Cripple Creek District and Boulder County, Colorado, and Huronian Mine |  | | Book | | examples for the hardness test is as follows: 1 — talc; 2 — rock salt (halite), gypsum; 3 — calcite; 4—...Freiberg and Schneeberg, GDR; Wittichen, FRG: Kutna Hora, Jachymov and Banska Stiavnica, Czechoslovakia;...such as in deposits in Bodenmais, FRG; in the Bohemian and the Saxon Ore Mountains; and in Ammeberg,...Cumberland and elsewhere in Great Britain; Tri States District, Missouri, Iowa, and Illinois, USA. The deposit...Romania; Calaveras County, California, Cripple Creek District and Boulder County, Colorado, and Huronian Mine |  | | Book (volume) | | ...... 99 STILPN OMELANE.103 PYROPHYLLITE.115 TALC.121 CHLORITE.131 SEPTECHLORITE.164 SERPENTINE.170...Alternatively the structure may be regarded as having a central brucite layer Mg3(OH)6 (in phlogopite) or gibbsite...hexagons formed by the tetrahedral vertices. The central Y ions determine the positions of the two tetrahedral...cell dimen¬ sions of pyrophyllite, muscovite and talc, and by other empirical considerations (Brown, 1951)...tetrasilicic Xi?+3i2+2Si40io(OH)2. The minerals talc and pyrophyllite are closely related structurally |
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