Rock Identifier
Blue-gray mineral specimen (possibly sodalite) (Undetermined; appearance may be consistent with sodalite (Na₈Al₆Si₆O₂₄Cl₂), but the image is insufficient for reliable identification) — mineral
mineral

Blue-gray mineral specimen (possibly sodalite)

Undetermined; appearance may be consistent with sodalite (Na₈Al₆Si₆O₂₄Cl₂), but the image is insufficient for reliable identification

AI-generated identification · may be incorrect

Blue-gray with pale patches and a rough, irregular surface; hardness, luster, crystal structure, cleavage, and density cannot be determined reliably from the image.

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Physical properties

Blue-gray with pale patches and a rough, irregular surface; hardness, luster, crystal structure, cleavage, and density cannot be determined reliably from the image.

Formation & geological history

If sodalite, it forms in silica-poor igneous rocks such as nepheline syenite. The specimen’s geological age and origin are unknown.

Uses & applications

Sodalite is used as an ornamental and lapidary stone; this small rough specimen has no clear industrial use.

Geological facts

Blue color alone is not diagnostic; several minerals and rock types can look similar. Identification may require hardness, streak, and mineral tests.

Field identification & locations

Sodalite commonly occurs in alkaline igneous rocks in Canada, Brazil, and Namibia. Check for white veining and test properties before assigning a name; the photo alone does not establish the identification.