mineral

Charoite with Aegirine inclusions

(K,Sr)15-16(Ca,Na)32[Si6O11(O,OH)6]2[Si12O18(O,OH)12]2[Si17O25(O,OH)18]2(OH,F)4.0-3.0 * nH2O + NaFeSi2O6

AI-generated identification · may be incorrect

Hardness 5-6 (Mohs), purple to violet color with black needle-like inclusions, vitreous to pearly luster, monoclinic crystal structure, good cleavage, specific gravity 2.54-2.58

Identified July 3, 2026More mineral →

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Physical properties

Hardness 5-6 (Mohs), purple to violet color with black needle-like inclusions, vitreous to pearly luster, monoclinic crystal structure, good cleavage, specific gravity 2.54-2.58

Formation & geological history

Forms in syenites resulting from the alteration of limestone by alkali-rich magma. Exclusively found in the Murun Massif in Siberia, Russia.

Uses & applications

Used primarily as a gemstone in jewelry, carving, and ornamental objects.

Geological facts

Charoite is known for its distinct swirling purple patterns and is often found with inclusions of black aegirine, orange tinaksite, and greenish microcline.