mineral

Likely rough quartz-rich rock (identification uncertain)

Possibly milky quartz with iron-oxide staining; exact identification is not possible from the image alone.

AI-generated identification · may be incorrect

Small, rough, translucent-to-white piece with reddish-brown patches and a vitreous-looking surface. If quartz, hardness is 7 Mohs, crystal system is trigonal, and cleavage is absent; the image does not show diagnostic features clearly.

Identified September 25, 2026More mineral →

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At a glance

Common name: Likely rough quartz-rich rock (identification uncertain)
Scientific name: Possibly milky quartz with iron-oxide staining; exact identification is not possible from the image alone.
Category: mineral
Identified: September 25, 2026
Method: Standard

AI Estimated Value

About $1–$10 for a small common rough piece; higher value would require confirmed identity, notable crystal form, or provenance.

Not an official valuation

AI estimate for general interest only — not an appraisal. Actual value depends on condition, provenance, and market demand. Verify with a professional before buying, selling, or insuring.

This identification was generated by AI and may contain errors. Verify important details before relying on them — and never use an AI result to judge whether a specimen is safe to handle. Read the full disclaimer

Physical properties

Formation & geological history

Quartz commonly forms in silica-rich veins and igneous or metamorphic rocks, crystallizing from hot fluids over a wide range of geological ages. The reddish patches may be iron oxides from weathering.

Uses & applications

Quartz is widely used in glass, electronics, construction aggregate, and ornamental specimens; this small piece appears chiefly suitable for collecting.

Geological facts

Quartz is one of Earth's most abundant minerals. A scratch test on glass and lack of cleavage can help distinguish it from softer, cleavable minerals.

Field identification & locations

Check for glass-scratching hardness, conchoidal fracture, and a white streak; avoid destructive tests if valued. Quartz occurs worldwide, but the specimen's locality and identity cannot be determined from the photo.