Sodalite

A blue feldspathoid mineral used in ornamental cabochons.

Colors & patterns

Blue to violet-blue, often with white veins or patches.

Typical origins

Sources include Brazil, Canada and Namibia.

Hardness

5.5–6 on the Mohs scale.

Choosing & setting this material

Sodalite can resemble lapis, but is a different material. Its pattern suits bold pendants; keep it away from acids and hard knocks.

Care & cleaning

Clean gently with lukewarm water, a little mild soap and a soft cloth, then dry. Avoid steam, ultrasonic cleaners, harsh chemicals and sudden temperature changes, especially when treatments are unknown.

Origins above describe typical sources of the material, not the origin of an illustrated or stocked stone. Hardness measures scratch resistance, not resistance to breaking. Confirm the identity and treatments of the actual piece.

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Further reading: Material reference · GIA: gem treatments