Kornerupine, Cordierite, Quartz, Phlogopite

Kornerupine : Mg₃Al₆(Si,Al,B)₅O₂₁(OH), Cordierite : (Mg,Fe)₂Al₄Si₅O₁₈, Quartz : SiO₂, Phlogopite : KMg₃[(OH,F)₂|AlSi₃O₁₀]

Locality: Fiskenaes (Fiskenaesset; Qeqertarsuatsiaat), Nuuk (Godthåb), Kitaa (West Greenland) Province, Greenland

Light-coloured greenish-grey, prismatic, low-iron Kornerupine crystals in Quartz from the type locality in Greenland. Associating minerals are lilack transparent Cordierite grain, plates of weak coloured golden-pearly Phlogopite and very minor brownish-red grains of Rutil. Specimen size 4x3.5 cm. Pavel M. Kartashov collection and photo.

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Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 28th Nov 2009 17:23:00

Kornerupine, Cordierite, Quartz, Phlogopite

Kornerupine : Mg3Al6(Si,Al,B)5O21(OH), Cordierite : (Mg,Fe)2Al4Si5O18, Quartz : SiO2, Phlogopite : KMg3[(OH,F)2|AlSi3O10]

Kornerupine : Mg₃Al₆(Si,Al,B)₅O₂₁(OH), Cordierite : (Mg,Fe)₂Al₄Si₅O₁₈, Quartz : SiO₂, Phlogopite : KMg₃[(OH,F)₂|AlSi₃O₁₀]