1 Definition
1.1 definisi
litchfieldite punika rock langka igneous kang coarse-grained, foliated lan macem-macem nepheline syenite, kadhangkala uga disebut minangka nepheline syenite gneiss utawa gneissic nepeheline syenite
teschenite punika coarse- kanggo nggoleki-grained, peteng-colored rock intrusive igneous sing biasane ana ing sills, dikes lan masal ora duwe aturan baku lan tansah ngrubah kanggo sawetara ombone
1.2 Sajarah
1.2.1 asal
1.2.2 panemu
1.3 Etimologi
saka occurrence ing Litchfield, maine, usa
saka kedadeyan sawijining near teschen. saiki dikenal minangka cieszyn, POL., Scotland
1.4 kelas
1.4.1 sub-kelas
awet rock, medium atose rock
awet rock, hard rock
1.5 kulawarga
1.5.1 group
1.6 kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock opaque