mineral
K-Feldspar (Potassium Feldspar)
Potassium Feldspar (KAlSi3O8)
AI-generated identification · may be incorrectHardness of 6 on the Mohs scale, distinct pink to salmon-orange color, vitreous to pearly luster, monoclinic or triclinic crystal system, and two directions of good cleavage at nearly right angles.
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Physical properties
Hardness of 6 on the Mohs scale, distinct pink to salmon-orange color, vitreous to pearly luster, monoclinic or triclinic crystal system, and two directions of good cleavage at nearly right angles.
Formation & geological history
Formed through the cooling of silica-rich magma in igneous environments like granites and pegmatites, as well as in some metamorphic and sedimentary rocks.
Uses & applications
Widely used in the manufacturing of ceramics, glass, porcelain, and as a mild abrasive; also collected as mineral specimens.
Geological facts
Feldspars are the most abundant mineral group in the Earth's crust, making up about 60% of terrestrial rocks.
Field identification & locations
Identified easily by its characteristic pink color and rectangular cleavage planes; commonly found globally in granite outcrops and pegmatite dikes.
