mineral
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
AI-generated identification · may be incorrectHardness of 5.5 to 6 on the Mohs scale, deep blue to violet color with distinctive white calcite veins, vitreous to greasy luster, and isometric crystal system.
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Physical properties
Hardness of 5.5 to 6 on the Mohs scale, deep blue to violet color with distinctive white calcite veins, vitreous to greasy luster, and isometric crystal system.
Formation & geological history
Forms in silica-poor igneous rocks like nepheline syenites from sodium-rich magmas.
Uses & applications
Used primarily as an ornamental gemstone, for carved decorative objects, and in crystal healing collections.
Geological facts
Sodalite is often confused with lapis lazuli but typically lacks the characteristic pyrite inclusions found in lapis.
Field identification & locations
Identify by its rich royal blue color paired with white veins and lack of metallic brassy specks. Found globally, notably in Canada, Brazil, and India.
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