Answer | Crossword Clue |
---|---|
oligoclases | OLIGOCLASE, a triclinic soda-lime feldspar, plagioclase |
oligoclase | a triclinic soda-lime feldspar, plagioclase |
labradorite | a triclinic silicate of the plagioclase feldspar series which may show a bluish or multicoloured iridescence |
labradorites | LABRADORITE, a triclinic silicate of the plagioclase feldspar series which may show a bluish or multicoloured iridescence |