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Igneous Rocks (Extrusive (Not Speckled (Matt (Pores (Doesnt Have…

- - - - Porphyrific Texture
        
        No Pores
        
        Light Coloured
        
        Has biotite,
        pyroxene
        and amphibole
        crystals
        
        ANDISITE
        
        Has ntratelluric crystals
        
        TUFF
  - - - Pores
        
        Doesnt Have Crystals
        
        Powder Texture
        
        Light Coloured
        
        PUMICE
        
        Glassy Texture
        
        Dark Coloured
        
        SCORIA
    - - OBSIDIAN
- - - - No Pores
        
        Matt
        
        Light Colour
        
        Has feldspar, mica and amphiboles crystals
        
        GRANITE
        
        Has gabbro and granite crystals
        
        DIORITE
        
        Dark Colour
        
        Has calcium plagioclase, pyroxene and minor olivine crystals
        
        GABBRO