Polished stone: feldspathic gneiss with garnet
Metamorphic rock with large white-yellow feldspar crystals (several cms long), grey quartz, purple garnets, and black mafic minerals. The sub-parallel arrangement of the mafic minerals and elongate (in 2-D) feldspars define the gneissic layering.
C. J.R. Devaney
1,686
views
14
faves
1
comment
Uploaded on September 6, 2016
Taken on February 16, 2016
Polished stone: feldspathic gneiss with garnet
Metamorphic rock with large white-yellow feldspar crystals (several cms long), grey quartz, purple garnets, and black mafic minerals. The sub-parallel arrangement of the mafic minerals and elongate (in 2-D) feldspars define the gneissic layering.
C. J.R. Devaney
1,686
views
14
faves
1
comment
Uploaded on September 6, 2016
Taken on February 16, 2016