orthoclase feldspar正長石
orthoclase twin正長石雙晶
gallium orthoclase鎵正長石
soda orthoclase鈉正長石
biotite orthoclase gabbro云正輝長巖
sodian orthoclase鈉正長石
common orthoclase普通正長石
Moonstone-Orthoclase正長石
epidote orthoclase pegmatite綠簾正長偉晶巖
1. a white or colored monoclinic feldspar