mineral

Pink feldspar fragment (likely potassium feldspar)

K-feldspar, typically orthoclase or microcline; KAlSi₃O₈

AI-generated identification · may be incorrect

Small, rough salmon-pink fragment with a dull to vitreous luster and apparent cleavage surfaces. Feldspar has Mohs hardness 6, a monoclinic or triclinic crystal structure, and two cleavage directions near 90°; identification from this image is tentative.

Identified October 15, 2026More mineral →

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Physical properties

Formation & geological history

Forms as a major mineral in cooling granitic and other felsic igneous rocks, as well as some metamorphic rocks. Its age depends on the source rock and cannot be determined from the fragment.

Uses & applications

Feldspar is used in glass and ceramic manufacture; attractive, larger crystals may be collected or cut as gemstones.

Geological facts

Pink coloration commonly comes from trace iron or other impurities. Feldspars are among the most abundant minerals in Earth’s crust.

Field identification & locations

Look for pink or cream color, hardness around 6, and two nearly perpendicular cleavage planes; common in granite and pegmatite. The image alone cannot confirm the mineral species.