mineral

Greenish translucent mineral fragment, possibly aventurine quartz or fluorite

Uncertain from image; likely quartz (SiO₂) with inclusions, or fluorite (CaF₂)

AI-generated identification · may be incorrect

Pale green, translucent, irregular fractured fragment with a granular/sparkly surface and vitreous to dull luster. Estimated hardness is 4–7 Mohs depending on identity; no reliable cleavage or crystal form is visible.

Identified September 22, 2026More mineral →

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At a glance

Common name: Greenish translucent mineral fragment, possibly aventurine quartz or fluorite
Scientific name: Uncertain from image; likely quartz (SiO₂) with inclusions, or fluorite (CaF₂)
Category: mineral
Identified: September 22, 2026
Method: Standard

AI Estimated Value

About $1–$10 for an ordinary fragment; attractive, verified mineral specimens may sell for $10–$50 or more.

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

Could form in hydrothermal veins or pegmatites; green color may result from mica, chlorite, or other inclusions. Geological age cannot be determined from the photograph.

Uses & applications

A small unidentified fragment has little commercial value; confirmed green quartz may be used decoratively, while fluorite is important as a flux and fluorine source and is also collected.

Geological facts

The image alone cannot distinguish green quartz from fluorite, glass, or another coated mineral. A hardness test, cleavage inspection, streak, and specific-gravity measurement are needed.

Field identification & locations

Check whether it scratches glass (quartz does; fluorite does not), examine cleavage (fluorite has four directions), and use a loupe for bubbles or uniform coloration that could indicate glass. Common sources include hydrothermal veins and pegmatites.