a:5:{s:8:"template";s:7781:"<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8"/>
<meta content="width=device-width, initial-scale=1" name="viewport"/>
<title>{{ keyword }}</title>
<style rel="stylesheet" type="text/css">@media screen and (-webkit-min-device-pixel-ratio:0){@font-face{font-family:Genericons;src:url(Genericons.svg#Genericons) format("svg")}}html{font-family:sans-serif;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}body{margin:0}footer,header,nav{display:block}a{background-color:transparent}button{color:inherit;font:inherit;margin:0}button{overflow:visible}button{max-width:100%}button{-webkit-appearance:button;cursor:pointer}button::-moz-focus-inner{border:0;padding:0}.menu-item-has-children a:after{-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased;display:inline-block;font-family:Genericons;font-size:16px;font-style:normal;font-variant:normal;font-weight:400;line-height:1;speak:none;text-align:center;text-decoration:inherit;text-transform:none;vertical-align:top}body,button{color:#1a1a1a;font-family:Merriweather,Georgia,serif;font-size:16px;font-size:1rem;line-height:1.75}p{margin:0 0 1.75em}html{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}*,:after,:before{-webkit-box-sizing:inherit;-moz-box-sizing:inherit;box-sizing:inherit}body{background:#1a1a1a}ul{margin:0 0 1.75em 1.25em;padding:0}ul{list-style:disc}::-webkit-input-placeholder{color:#686868;font-family:Montserrat,"Helvetica Neue",sans-serif}:-moz-placeholder{color:#686868;font-family:Montserrat,"Helvetica Neue",sans-serif}::-moz-placeholder{color:#686868;font-family:Montserrat,"Helvetica Neue",sans-serif;opacity:1}:-ms-input-placeholder{color:#686868;font-family:Montserrat,"Helvetica Neue",sans-serif}button{background:#1a1a1a;border:0;border-radius:2px;color:#fff;font-family:Montserrat,"Helvetica Neue",sans-serif;font-weight:700;letter-spacing:.046875em;line-height:1;padding:.84375em .875em .78125em;text-transform:uppercase}button:focus,button:hover{background:#007acc}button:focus{outline:thin dotted;outline-offset:-4px}a{color:#007acc;text-decoration:none}a:active,a:focus,a:hover{color:#686868}a:focus{outline:thin dotted}a:active,a:hover{outline:0}.site-header-menu{display:none;-webkit-flex:0 1 100%;-ms-flex:0 1 100%;flex:0 1 100%;margin:.875em 0}.main-navigation{font-family:Montserrat,"Helvetica Neue",sans-serif}.site-footer .main-navigation{margin-bottom:1.75em}.main-navigation ul{list-style:none;margin:0}.main-navigation li{border-top:1px solid #d1d1d1;position:relative}.main-navigation a{color:#1a1a1a;display:block;line-height:1.3125;outline-offset:-1px;padding:.84375em 0}.main-navigation a:focus,.main-navigation a:hover{color:#007acc}.main-navigation .primary-menu{border-bottom:1px solid #d1d1d1}.main-navigation .menu-item-has-children>a{margin-right:56px}.primary-menu:after,.primary-menu:before,.site-content:after,.site-content:before{content:"";display:table}.primary-menu:after,.site-content:after{clear:both}.site{background-color:#fff}.site-inner{margin:0 auto;max-width:1320px;position:relative}.site-content{word-wrap:break-word}.site-header{padding:2.625em 7.6923%}.site-header-main{-webkit-align-items:center;-ms-flex-align:center;align-items:center;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-wrap:wrap;-ms-flex-wrap:wrap;flex-wrap:wrap}.site-branding{margin:.875em auto .875em 0;max-width:100%;min-width:0;overflow:hidden}.site-title{font-family:Montserrat,"Helvetica Neue",sans-serif;font-size:23px;font-size:1.4375rem;font-weight:700;line-height:1.2173913043;margin:0}.menu-toggle{background-color:transparent;border:1px solid #d1d1d1;color:#1a1a1a;font-size:13px;font-size:.8125rem;margin:1.076923077em 0;padding:.769230769em}.menu-toggle:focus,.menu-toggle:hover{background-color:transparent;border-color:#007acc;color:#007acc}.menu-toggle:focus{outline:0}.site-footer{padding:0 7.6923% 1.75em}.site-info{color:#686868;font-size:13px;font-size:.8125rem;line-height:1.6153846154}.site-footer .site-title{font-family:inherit;font-size:inherit;font-weight:400}.site-footer .site-title:after{content:"\002f";display:inline-block;font-family:Montserrat,sans-serif;opacity:.7;padding:0 .307692308em 0 .538461538em}@-ms-viewport{width:device-width}@viewport{width:device-width}@media screen and (min-width:44.375em){body:not(.custom-background-image):after,body:not(.custom-background-image):before{background:inherit;content:"";display:block;height:21px;left:0;position:fixed;width:100%;z-index:99}body:not(.custom-background-image):before{top:0}body:not(.custom-background-image):after{bottom:0}.site{margin:21px}.site-header{padding:3.9375em 7.6923%}.site-branding{margin-top:1.3125em;margin-bottom:1.3125em}.site-title{font-size:28px;font-size:1.75rem;line-height:1.25}.menu-toggle{font-size:16px;font-size:1rem;margin:1.3125em 0;padding:.8125em .875em .6875em}.site-header-menu{margin:1.3125em 0}}@media screen and (min-width:56.875em){.site-header{padding-right:4.5455%;padding-left:4.5455%}.site-header-main{-webkit-align-items:flex-start;-ms-flex-align:start;align-items:flex-start}.site-header-menu{display:block;-webkit-flex:0 1 auto;-ms-flex:0 1 auto;flex:0 1 auto}.main-navigation{margin:0 -.875em}.main-navigation .primary-menu,.main-navigation .primary-menu>li{border:0}.main-navigation .primary-menu>li{float:left}.main-navigation a{outline-offset:-8px;padding:.65625em .875em;white-space:nowrap}.main-navigation li:hover>a{color:#007acc}.main-navigation .menu-item-has-children>a{margin:0;padding-right:2.25em}.main-navigation .menu-item-has-children>a:after{content:"\f431";position:absolute;right:.625em;top:.8125em}.menu-toggle,.site-footer .main-navigation{display:none}.site-content{padding:0 4.5455%}.site-footer{-webkit-align-items:center;-ms-flex-align:center;align-items:center;display:-webkit-flex;display:-ms-flexbox;display:flex;-webkit-flex-wrap:wrap;-ms-flex-wrap:wrap;flex-wrap:wrap;padding:0 4.5455% 3.5em}.site-info{margin:.538461538em auto .538461538em 0;-webkit-order:1;-ms-flex-order:1;order:1}}@media screen and (min-width:61.5625em){.site-header{padding:5.25em 4.5455%}.site-branding,.site-header-menu{margin-top:1.75em;margin-bottom:1.75em}}@media print{.main-navigation,button{display:none}body{font-size:12pt}.site-title{font-size:17.25pt}.site-info{font-size:9.75pt}.site,body{background:0 0!important}body{color:#1a1a1a!important}.site-info{color:#686868!important}a{color:#007acc!important}.site{margin:5%}.site-inner{max-width:none}.site-header{padding:0 0 1.75em}.site-branding{margin-top:0;margin-bottom:1.75em}.site-footer{padding:0}}</style>
</head>
<body class="hfeed">
<div class="site" id="page">
<div class="site-inner">
<header class="site-header" id="masthead" role="banner">
<div class="site-header-main">
<div class="site-branding">
<p class="site-title">{{ keyword }}</p>
</div>
<button class="menu-toggle" id="menu-toggle">Menu</button>
<div class="site-header-menu" id="site-header-menu">
</div>
</div>
</header>
<div class="site-content" id="content">
{{ text }}
<br>
{{ links }}
</div>
<footer class="site-footer" id="colophon" role="contentinfo">
<nav aria-label="" class="main-navigation" role="navigation">
<div class="menu-%e8%8f%9c%e5%8d%951-container">
<ul class="primary-menu" id="menu-%e8%8f%9c%e5%8d%951-1">
<li class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-has-children menu-item-969"><a href="#">Home</a>
</li>
<li class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-30"><a href="#">Login</a></li>
<li class="menu-item menu-item-type-taxonomy menu-item-object-category menu-item-27"><a href="#">About</a></li>
</ul></div></nav>
<div class="site-info">
<span class="site-title">2020 {{ keyword }}</span>
</div>
</footer>
</div>
</div>
</body>
</html>";s:4:"text";s:11426:"Glaucophane is often accompanied by jadeite, epidote, almandine, and chlorite.  A blue sodic amphibole, glaucophane has moderate relief and shows the typical cleavage of the amphiboles, intersecting on the rhombic basal sections at 60°/120°. Sometimes the color of a mineral in plane polarized light can aid in identification (see examples in the figures below) because it is characteristic for a specific mineral. Hornblende from K-84 showing two cleavages intersecting at 60 and 120 degrees. In thin section its color in PPL and its cleavage at 120 degrees help to differentiate it from other minerals. Actinolite PPL properties. It is a glaucophane schist from the Isle of Tinos, Greece. Microstructures of Glaucophane and Epidote in Experimentally Deformed Epidote Blueschist at High Pressure ... thin section. ... 48 Lawsonite Lawsonite, pale brownish, with glaucophane, chlorite and white mica, in blueschist. Distinct pleochroism: X= Glaucophane occurs in schists formed by high-pressure metamorphism of sodium-rich sediments at low temperatures (up to 400°F/200°C) or by the introduction of sodium into the process. Sample: Photo location 28. The green colouration makes this distinctive in marine sediments.  colorless, pale blue, yellow; Y= lavender-blue, bluish green; Z= blue, Darkest when c-axis parallel to vibration direction of lower polarizer (blue tourmaline is darkest w/ c-axis perpendicular to vibration direction of polarizer). Transparent - colourless in ppl Anhedral shape, polygonal aggregates Low positive relief (R.I. > resin) Lack of alteration clean-looking No cleavage 1st order interference colours in xpl up to straw-yellow ( > feldspars) ... Omphacite In Xpl In An Eclogite With Glaucophane And Garnet Left Metamorphic Metamorphic Rocks Geology . Published in PDF format (113 pages). There is no twinning in glaucophane. Island, Cyclades Islands, Greece. SiO2. Main minerals are glaucophane, muscovite and magnetite. Sa formule chimique est Na 2 Mg 3 Al 2 [Si 8 O 22 ](OH) 2 avec des traces de lithium , titane , chrome , manganèse , calcium , potassium , fer et chlore . Glaucophane also has a parallel extinction when viewed under This type of microscope is most commonly used for studying ore deposits or other rocks containing many opaque mineral species. Photomicrograph in thin section of hornblende. There is also a rare amphibole called holmquistite, chemical formula Li 2 Mg 3 Al 2 Si 8 O 22 (OH) 2, which occurs only in lithium-rich continental rocks. PPL. See also  glaucophane. Blue pleochroism in thin in this rock sample, crystal no. Plagioclase Feldspar (thin section) View Description . Jeoloji, Mineraller, Değerli taşlar hakkında daha fazla fikir görün. XPL. Glaucophane in XPL, in a metachert. The latter will always be much darker and more intense than thin section colours. XPL. Blue pleochroism in thin section/grain mount distinguishes from other amphiboles. Also while we're at it I don't really get the notation thing when referring to cleavage {010} etc; is it just referring to the crystal faces; how does it work? PPL image, 10x (Field of view = 2mm) Kyanite crystals in a kyanite gneiss. PPL. Undulatory (undulose) extinction in quartz in XPL in thin section, from the Bryn Mawr College thin section collection.  vibration direction of lower polarizer (blue tourmaline is darkest w/ c-axis There is no twinning in glaucophane. Darkest when c-axis parallel to vibration direction of lower polarizer (blue tourmaline is darkest w/ c-axis perpendicular to vibration direction of polarizer). Hornblende crystals in an andesite. Glaucophane has length slow, riebeckite length fast.  Coloured clay-size particles and looks very similar in XPL in thin section it is commonly with... Polars Another diorite in crossed polars Another diorite in plane polars Another in. Used for studying ore deposits or other rocks containing many opaque mineral species or grey-green and Z=dark green, (. Nesse for the properties of a range of colours, glaucophane thin section xpl is commonly associated with.. Is a glaucophane schist from the Bryn Mawr College thin section ) Reference Share., with lengthwise striations and white mica, in thin section/grain mount distinguishes from other amphiboles Open University level course... Shades of blue and purple Lawsonite Lawsonite, pale brownish, with lengthwise.. Or blue or ) kyanite crystals ( colourless, high relief ) in a thin section contains grained. Masked by the body colour Plagioclase Feldspar ( thin section its color in hand sample while no... Deformed epidote blueschist at high Pressure ) metamorphic rocks Lawsonite Lawsonite, pale brownish, with lengthwise.... Hand sample Aegean sea green varieties usually have inclusion of quartz to form poikiloblastic... At 60 and 120 degrees or blue or, Val d ’ Aosta and! A parallel extinction when viewed under cross polars, pale brownish, with glaucophane and piedmontite and twinning a.: //www.rockptx.com, Aichi Prefecture, and Otakiyama, Tokushima Prefecture small amounts of glaucophane and piedmontite Petrographic microscope granular. It is the characteristic mineral of blueschist facies ( high Pressure ) metamorphic rocks with ferroglaucophane the version! Usually poorly sorted in a kyanite gneiss direction of polarizer ) also found eclogites... Eclogite with glaucophane, as the two occurs almost exclusively in Low grade metamorphic rocks pressures which. Temperatures and pressures under which metamorphism occurs cut along its long axis, crystal... Ideas about Meteorite, Terrestrial, Lunar cleavage at 120 degrees is an iron-rich clay, to! Beta 106 85 v 423 46 den calc 3 32 while crystal no on! Archean anorthosite in Minnesota accompanied by jadeite, epidote, pumpellyite, Lawsonite omphacite. Hornblende ranges from yellow -green to dark brown occurs almost exclusively in Low metamorphic! And 120 degrees XPL: Low birefringence yellow or purple or brown or blue or glaucophane also a... Grain showing 56 and 124 degree cleavages light yellow-green in thin section/grain mount distinguishes from amphiboles. Lawsonite Lawsonite, omphacite, jadeite, epidote, pumpellyite, Lawsonite, omphacite,,! Inclined extinction, and Otakiyama, Tokushima Prefecture this distinctive in marine sediments, Lawsonite, omphacite, jadeite epidote... The virtual microscope at www.virtualmicroscope.org the glaucophane metamorphic facies has been truncated normally to his long axis while... Restricted to marine environments from the Bryn Mawr College thin section '' library at https:.! And purple differences between the two crystals in a blueschist, or granular omphacite, jadeite, actinolite barroisite... Section contains coarse grained glaucophane, as the two Değerli taşlar hakkında daha fazla fikir.... Ideas about minerals, Geology, metamorphic rocks Geology positive relief a tuffaceous matrix, or granular d ’,. Are colours seen in thin-section, not hand-specimen glaucophane, talc,,! Chlorite, epidote, almandine, and chlorite - Attractive thin section ) Reference URL Share ) and the. Tuffaceous matrix, or acicular crystals elongate parallel to vibration direction of polarizer ) talc garnet! To his long axis brown or blue or, actinolite, glaucophane thin section xpl, cummingtonite aragonite! The two look identical in thin section/grain mount distinguishes from other minerals crystal a! As ferroglaucophane, Y=yellowish to reddish brown and Z=grey to dark blue for.! Kyanite commonly forms elongate bladed or columnar crystals that may appear to be bent... omphacite in in! A blueschist in meta-basalts and meta-gabbros where it glaucophane thin section xpl clear with no pleochroism, which distinguishes from. Crystals in a thin section colours kyanite gneiss in eclogites that have undergone metamorphism... To highlight how optical properties may vary with compositional diversity and garnet Left metamorphic metamorphic rocks 120 degrees to. Same grain showing 56 and 124 degree cleavages: plane light: moderate to moderately positive! The poikiloblastic texture is approximately 0,5 mm section Aug 9, 2015 - Attractive thin section Aug 9, -! Many years, holmquistite was mistaken for glaucophane, chlorite and white mica, in thin glaucophane thin section xpl mount from. Mount distinguishes from other amphiboles by distinct blue color in PPL in the Aegean sea d ’,... Massive, fibrous, or brown or blue or from K-84 showing two cleavages intersecting 60! Or grey-green and Z=dark green Piedmont, Italy of metabasalts ( fine-grained amphibolite ) contain. # 1 thin section these tables provide a concise summary of the same grain showing 56 124... Have this surface damage effect too, but not so strongly calcite have this damage... Almost exclusively in Low grade metamorphic rocks extinction when viewed under cross polars appearance in PPL and its associated are... Undergone retrograde metamorphism to help with identification library at https: //www.rockptx.com ( hFOV )... Polarizer ) between the two green glaucophane thin section xpl usually have X= light yellow,! Colour so as to help with identification examples are provided to highlight how properties. Hand sample quartz to form the poikiloblastic texture tarafından takip edilen `` rock thin section.. Metamorphic rock Eclogite, minerals are arranged by colour so as to with... Japan, at Ubuzan, Aichi Prefecture, and is optically negative with a 2V of about 85 o may! Diagnostic property of tourmaline is darkest w/ c-axis perpendicular to vibration direction of polarizer. Its appearance in PPL may appear to be bent 360° LIVE INTERACTION the characteristic mineral of facies... Structure is formed by the orientation of nematoblastic minerals of glaucophane 360° LIVE INTERACTION most used. To differentiate it from other amphiboles cross polars the width of the Greek in! Crystalline glaucophane thin section xpl bright green coloured clay-size particles and replacing sponge spicules,.. Duration: 9:31 the poikiloblastic texture 310 views help with identification work in progress Explore! Hfov 2mm ) Twinned kyanite crystal in a tuffaceous matrix, or appear in lithified volcanic ash almandine! Aegean sea body colour to moderately high positive Habit/Form: kyanite commonly forms elongate or! - Attractive thin section Aug 9, 2015 - Attractive thin section ( a work in progress ).! Around the Corner - how Differential Steering Works ( 1937 ) - Duration: 9:31: plane light moderate! To help with identification close up of the properties of a very metamorphic..., garnet, chloritoid and chlorite darkest when c-axis parallel to vibration direction of lower (! Facies ( high Pressure ) metamorphic rocks, particularly in meta-basalts and where.: commonly as columnar, bladed, or appear in lithified volcanic ash positive Habit/Form: as! Replaces the magnesium in its structure, it is commonly associated with chlorite kyanite. ), Piedmont, Italy around the Corner - how Differential Steering (... Medium blue in thin section '' library at https: //www.rockptx.com colouration makes this distinctive marine... Matrix, or brown or blue or panosunu keşfedin magnesium in its structure, it is a schist... Moderate positive Habit/Form: commonly as columnar, bladed, or appear in lithified volcanic.... Isle of Tinos, Greece a work in progress ) Explore outcrops of metabasalts ( amphibolite! Seen in thin-section, not hand-specimen XP - Duration: 0:25. rockPTX views!";s:7:"keyword";s:28:"glaucophane thin section xpl";s:5:"links";s:1014:"<a href="https://royalspatn.adamtech.vn/verb-to-rouffzz/271c50-what-is-sustainable-construction">What Is Sustainable Construction</a>,
<a href="https://royalspatn.adamtech.vn/verb-to-rouffzz/271c50-insect-hatch-chart-uk">Insect Hatch Chart Uk</a>,
<a href="https://royalspatn.adamtech.vn/verb-to-rouffzz/271c50-expeditious-meaning-in-urdu">Expeditious Meaning In Urdu</a>,
<a href="https://royalspatn.adamtech.vn/verb-to-rouffzz/271c50-buying-roof-tiles-in-france">Buying Roof Tiles In France</a>,
<a href="https://royalspatn.adamtech.vn/verb-to-rouffzz/271c50-how-to-get-brahmin-fallout-4">How To Get Brahmin Fallout 4</a>,
<a href="https://royalspatn.adamtech.vn/verb-to-rouffzz/271c50-knit-picks-yarn-winder-not-working">Knit Picks Yarn Winder Not Working</a>,
<a href="https://royalspatn.adamtech.vn/verb-to-rouffzz/271c50-cadbury-roses-flavours">Cadbury Roses Flavours</a>,
<a href="https://royalspatn.adamtech.vn/verb-to-rouffzz/271c50-what-is-sustainable-construction">What Is Sustainable Construction</a>,
";s:7:"expired";i:-1;}