mineral
Feldspar
Feldspar Group (Tectosilicate, e.g., KAlSi3O8)
AI-generated identification · may be incorrectHardness of 6 on the Mohs scale, typically white, pink, or gray, with vitreous to pearly luster and good cleavage in two directions.
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Physical properties
Hardness of 6 on the Mohs scale, typically white, pink, or gray, with vitreous to pearly luster and good cleavage in two directions.
Formation & geological history
Forms primarily through the crystallization of magma in igneous rocks or as a detrital component in sedimentary formations.
Uses & applications
Widely used in the manufacture of glass, ceramics, enamel, and as a flux in various industrial applications.
Geological facts
Feldspar is the single most abundant mineral group in the Earth's crust, comprising roughly 41% of it.
Field identification & locations
Easily identified by its rectangular crystal habit, distinct cleavage angles near 90 degrees, and moderate hardness.
