mineral

Quartz crystal cluster with possible chlorite inclusions

Quartz, silicon dioxide (SiO₂), likely with minor chlorite or iron-oxide staining

AI-generated identification · may be incorrect

Colorless to milky translucent crystals with vitreous luster and irregular fracture; quartz is Mohs hardness 7, trigonal crystal structure, and lacks cleavage. The specimen appears naturally clustered and partially weathered.

Identified September 4, 2026More mineral →

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At a glance

Common name: Quartz crystal cluster with possible chlorite inclusions
Scientific name: Quartz, silicon dioxide (SiO₂), likely with minor chlorite or iron-oxide staining
Category: mineral
Identified: September 4, 2026
Method: Standard

AI Estimated Value

Approximately $5–$30 for a common small cluster; $30–$100+ if crystals are unusually clear, well-formed, or locality-labeled.

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 in fractures, cavities, and pegmatites; the image alone cannot establish its geological age. Greenish-brown patches may be chlorite, clay, or iron staining associated with the host rock.

Uses & applications

Used for lapidary work, mineral collecting, abrasives, glass, electronics, and metaphysical objects; this piece is primarily a collector specimen rather than gem-grade material.

Geological facts

Quartz is one of Earth’s most abundant minerals and commonly forms six-sided prismatic crystals, though these crystals are heavily intergrown and broken.

Field identification & locations

Identify it by hardness, glassy luster, translucency, and lack of cleavage; it should scratch ordinary glass but not be scratched by a steel knife. Common worldwide in hydrothermal veins, cavities, and pegmatites.