mineral

Tumbled pale blue-green quartz (likely aquamarine-bearing quartz)

Quartz, SiO₂; blue coloration may reflect inclusions or minor iron-bearing minerals

AI-generated identification · may be incorrect

Hardness 7 Mohs; translucent pale gray-blue to green, vitreous luster, uneven conchoidal fracture, and no obvious cleavage. The rounded edges indicate tumbling or natural abrasion; exact identification requires hardness and specific-gravity tests.

Identified August 27, 2026More mineral →

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At a glance

Common name: Tumbled pale blue-green quartz (likely aquamarine-bearing quartz)
Scientific name: Quartz, SiO₂; blue coloration may reflect inclusions or minor iron-bearing minerals
Category: mineral
Identified: August 27, 2026
Method: Standard

AI Estimated Value

$2-$15 for a common tumbled quartz piece; approximately $20-$150 if confirmed as attractive natural aquamarine or a collectible gem-quality specimen.

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 crystallizes from silica-rich hydrothermal fluids and igneous pegmatites; blue-green varieties commonly occur with beryl, feldspar, and mica in granitic pegmatites, generally formed during Precambrian to younger geologic events.

Uses & applications

Used as a lapidary and ornamental stone, cabochon, and collector specimen. Ordinary quartz has broad industrial uses in glass, ceramics, electronics, and abrasives.

Geological facts

The specimen could also be pale aquamarine, feldspar, or a coated glass-like material; the photograph alone cannot reliably distinguish these. A steel file should not scratch quartz, while quartz should scratch ordinary glass.

Field identification & locations

Common sources include Brazil, Pakistan, Afghanistan, Madagascar, and U.S. pegmatite districts. Confirm with a scratch test, glass comparison, streak (white), and specific gravity; avoid destructive testing if valuable.