Plagioclase sentence example
- The same approach is now being applied to hornblende and plagioclase from amphibolite facies shear zones.
- Labradorite is a specific mineral, a calcic member of the plagioclase feldspar group.
- The plagioclase often shows very thin exsolution lamellae of potash feldspar, but nevertheless the original bulk chemical composition was probably low in potassium.
- Granite is a lighter colored igneous rock containing relatively large crystals of the minerals plagioclase, quartz and alkali feldspars such as orthoclase.