mineral

Microcline Feldspar (Amazonite or White Feldspar)

KAlSi3O8

AI-generated identification · may be incorrect

Hardness of 6 on the Mohs scale, color ranges from white to pale pink or greenish-white, vitreous to pearly luster, triclinic crystal system, distinct cleavage in two directions at nearly right angles, specific gravity around 2.56-2.58.

Identified August 3, 2026More mineral →

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Physical properties

Formation & geological history

Forms primarily in felsic igneous rocks such as granites and pegmatites through the slow cooling of magma, as well as in some metamorphic rocks. Widely found in the geological formations of Karelia, Russia, known for its rich pegmatite fields.

Uses & applications

Used in ceramics, glassmaking, as a gemstone or ornamental stone, and highly sought after by mineral collectors.

Geological facts

Microcline is a common rock-forming mineral. The user noted 'карелия' (Karelia), which is a region famous for its extensive Precambrian shield geology, abundant granites, pegmatites, and rich mineral deposits including various feldspars.