Rock Identifier
Two small opaque mineral fragments, likely red jasper and blue-gray sodalite (Red jasper: microcrystalline quartz (SiO₂); possible sodalite: Na₈(Al₆Si₆O₂₄)Cl₂) — mineral
mineral

Two small opaque mineral fragments, likely red jasper and blue-gray sodalite

Red jasper: microcrystalline quartz (SiO₂); possible sodalite: Na₈(Al₆Si₆O₂₄)Cl₂

AI-generated identification · may be incorrect

The left piece is brick-red, opaque, and appears to have a smooth, cut face; the right is too indistinct to identify confidently. Jasper and sodalite are typically Mohs 6–7 and 5.5–6, respectively; their value depends on confirmed identity and quality.

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Physical properties

The left piece is brick-red, opaque, and appears to have a smooth, cut face; the right is too indistinct to identify confidently. Jasper and sodalite are typically Mohs 6–7 and 5.5–6, respectively; their value depends on confirmed identity and quality.

Formation & geological history

Jasper forms as iron-stained, silica-rich microcrystalline quartz; sodalite crystallizes in silica-poor igneous rocks. Both occur in rocks of varied ages.

Uses & applications

Jasper is used for beads, carvings, and decorative objects; sodalite is used for jewelry and ornament. These tiny rough fragments have little commercial value.

Geological facts

The image is not detailed enough to verify either identification; color alone is not diagnostic.

Field identification & locations

The red fragment’s opaque, earthy-red appearance is consistent with jasper, but a hardness or streak test and clearer view are needed. Jasper is widespread; sodalite is found in places including Canada, Brazil, and Namibia.