- Geology Having right-angled cleavage.
- Having cleavage airplanes at right sides; such as orthoclase.
- Breaking in instructions at correct angles to one another; -- said of this monoclinic feldspars.
- Characterized by cleavages at right angles to one another: said of particular species of the feldspar group, especially orthoclase; with respect to such types, or especially to orthoclase.
Sentence for "orthoclastic"
- Both plagioclastic and orthoclastic aventurine occur…
- View More