Granite from Portugal
ICodeICPTGR00712
Macroscopic descriptionBlueish-grey medium grained two mica granite, essentialy biotitic, with dispersed and randomly sized megacrystals of feldspar.
Petrographic descriptionRock with hypidiomorphic granular texture containing some dispersed megacrystals of microcline and showing some fissures filled by clay minerals or carbonates.
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