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cordierite


'cordierite' can also refer to...

cordierite

cordierite

cordierite

Experimental Melting of Cordierite Gneiss and the Petrogenesis of Syntranscurrent Peraluminous Granites in Southern Brazil

Metamorphic Evolution of Cordierite-Bearing Migmatites from the Bayerische Wald (Variscan Belt, Germany)

The Distribution of H2O between Cordierite and Granitic Melt: H2O Incorporation in Cordierite and its Application to High-grade Metamorphism and Crustal Anatexis

Assessing Bulk Assimilation in Cordierite-bearing Granitoids from the Central System Batholith, Spain; Experimental, Geochemical and Geochronological Constraints

Evaluating the Origin of Garnet, Cordierite, and Biotite in Granitic Rocks: a Case Study from the South Mountain Batholith, Nova Scotia

Inherited and Magmatic Zircon from Neogene Hoyazo Cordierite Dacite, SE Spain—Anatectic Source Rock Provenance and Magmatic Evolution In Memoriam Professor Chris Powell, † 2001.07.21

Glass-rich, Cordierite–Biotite Rhyodacite, Valle Ninahuisa, Puno, SE Peru: Petrological Evidence for Hybridization of ‘Lachlan S-type’ and Potassic Mafic Magmas

Contact Metamorphism in Pelitic Rocks on the Island of Kos (Greece, Eastern Aegean Sea): a Test for the Na-in-Cordierite Thermometer

Structures and Melt Fractions as Indicators of Rheology in Cordierite-Bearing Migmatites of the Bayerische Wald(Variscan Belt, Germany)

Cordierite Growth Textures and the Conditions of Genesis and Emplacement of Crustal Granitic Magmas: the Velay Granite Complex (Massif Central, France)

Evidence of Two Different Components in a Hercynian Peraluminous Cordierite-bearing Granite: the San Basilio Intrusion (Central Sardinia, Italy)

 

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Silicate mineral Al3(Mg,Fe)2 [Si5AlO18] which can be iron-rich and is a member of the cyclosilicate group; sp. gr. 2.5–2.8; hardness 7; orthorhombic; dark blue or greyish-blue, translucent to transparent; vitreous lustre; crystals rare, prismatic or pseudo-hexagonal, but usually occurs massive; cleavage imperfect {010}, parting {001}; occurs in aluminous rocks that have been subjected to thermal or regional metamorphism, in hornfels, schists, and gneisses, in association with andalusite, spinel, quartz, and biotite. Fine dark blue examples are used as gemstones. It is named after the 19th-century French geologist P. L. A. Cordier (1777–1861).

Subjects: Earth Sciences and Geography.


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