Feldspar - Law Dictionary Search Results
Hyalophane
A species of the feldspar group containing barium See Feldspar
Microcline
A mineral of the feldspar group like orthoclase or common feldspar in composition but triclinic
Oligoclase
A triclinic soda lime feldspar See Feldspar
Orthoclase
Common or potash feldspar crystallizing in the monoclinic system and having two cleavages at
Plagioclase
A general term used of any triclinic feldspar See the Note under Feldspar
Sanidine
A variety of orthoclase feldspar common in certain eruptive rocks as trachyte called also glassy
Labradorite
A kind of feldspar commonly showing a beautiful play of colors and hence much
Norite
A granular crystalline rock consisting essentially of a triclinic feldspar as labradorite and hypersthene
Miascite
A granitoid rock containing feldspar biotite elaeligolite and sodalite
Moonstone
A nearly pellucid variety of feldspar showing pearly or opaline reflections from within It is used
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