Rock Identifier
Blue-gray tumbled stone, possibly carnelian mislabeled (Unidentified; carnelian is orange-red chalcedony (microcrystalline SiO₂), so the pictured blue-gray stone is unlikely to be carnelian.) — mineral
mineral

Blue-gray tumbled stone, possibly carnelian mislabeled

Unidentified; carnelian is orange-red chalcedony (microcrystalline SiO₂), so the pictured blue-gray stone is unlikely to be carnelian.

AI-generated identification · may be incorrect

Opaque to slightly translucent, smooth rounded polish, blue-gray with pale mottling and a subdued waxy luster. If chalcedony, Mohs hardness is about 6.5–7; the photograph does not establish its mineral identity or crystal structure.

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Physical properties

Opaque to slightly translucent, smooth rounded polish, blue-gray with pale mottling and a subdued waxy luster. If chalcedony, Mohs hardness is about 6.5–7; the photograph does not establish its mineral identity or crystal structure.

Formation & geological history

A tumbled, human-shaped specimen; its original formation and age cannot be determined from the image. Carnelian typically forms when silica fills cavities or fractures, but this color does not match typical carnelian.

Uses & applications

Tumbled stones are commonly sold for collecting, decoration, and jewelry; value depends on confirmed identity, size, and quality.

Geological facts

The label reads “carnelian,” but carnelian is characteristically orange to reddish-brown. Blue-gray appearance may instead indicate another mineral or dyed material.

Field identification & locations

The specimen’s identity cannot be confirmed visually. The reported location in southeast Texas is dominated by sedimentary deposits, but a transported or purchased tumbled stone need not be locally sourced; confirm with hardness, translucence, and mineral testing.