An Introduction to the Rock-forming MineralsThis edition takes account of the advances that have been made in all aspects of earth sciences, particularly mineralogy, over the recent years. |
Contents
ORTHO AND RING SILICATES | 1 |
OLIVINE GROUP Olivine tephroiteknebelite monticellite | 7 |
ZIRCON | 13 |
Copyright | |
10 other sections not shown
Other editions - View all
An Introduction to the Rock-forming Minerals William Alexander Deer,Robert Andrew Howie,J. Zussman No preview available - 1966 |
An Introduction to the Rock-forming Minerals William Alexander Deer,Robert Andrew Howie,J. Zussman No preview available - 1966 |
Common terms and phrases
albite alkali feldspars Amer amphiboles anal analcite anorthite approximately atoms axis basaltic biotite birefringence brown calcite calcium cations cent chemical chlorite cleavage colour colourless in thin common composition cordierite crystals diopside Dispersion dolomite end-member extinction angle Fe+2 Fe+3 feldspar garnet Geol granites green hornblende hydrothermal igneous rocks illite iron iron-rich Journ kaolinite lamellar layers leucite liquid metamorphism metamorphosed metasomatic micas microcline minerals molecules monoclinic muscovite nepheline NUMBERS OF IONS occurs octahedral olivine optic axial angle OPTICAL AND PHYSICAL optical properties orthoclase orthopyroxene orthorhombic oxides oxygen pale PARAGENESIS parallel pegmatites phlogopite PHYSICAL PROPERTIES pigeonite plagioclase plane Pleochroism polymorph potassium feldspar pyrite pyroxene quartz refractive indices replacement schists sediments serpentine silica SiO2 sodium solid solution specimens spinel structure substitution synthetic temperature tetrahedra thermal thin section TiO2 tourmaline triclinic tridymite twinning unit cell varieties wollastonite yellow zeolites zone