AI identification & appraisal estimate

Doubly terminated clear mineral crystal point

Submitted photo of Doubly terminated clear mineral crystal point
Photo submitted by the user — not generated by AI

User's notes

Clear quartz specimen about 1 cm

These notes were written by the person who submitted this item. Appraiser.AI has not verified them, and the AI's identification and estimate may rely on them.

AI Estimated Value

Not an official valuation

$5 - $15

AI estimate as of May 26, 2026 · verify with a professional before acting

AI-Generated · Verify before acting

Everything on this page is generated by AI for informational purposes only. AI can make mistakes — the AI may misidentify items or misattribute them (artist, maker, brand, designer, origin, era). This is not an official valuation and should not be used for insurance, sale, tax, estate, legal, or lending purposes — or any decision requiring a certified appraisal. It is not an authoritative claim about any person, brand, or rights holder — do not share or rely on it as a factual statement about a third party. Always consult qualified professionals before making financial decisions.

This analysis also relies on unverified notes provided by the user, which may be incomplete or inaccurate and could affect the result.

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AI Item Analysis

This specimen appears to be a small, naturally formed mineral crystal, approximately 1 cm in length. It is stylistically consistent with a 'Herkimer diamond' quartz or a similar clear quartz variety. The item is colorless and transparent with a vitreous luster, featuring a doubly terminated habit where the crystal tapers to a natural point at both ends of its hexagonal prism. The owner identifies this as a clear quartz specimen; however, this claim is unverified without professional gemological testing. Visually, the crystal exhibits a high degree of clarity with some internal characteristic inclusions or slight fractures visible at one end, alongside small brownish-orange iron oxide staining or matrix remnants. The surface appears to have natural facets rather than artificial cutting, though this cannot be established without physical inspection. There are no visible maker's marks or stamps, as this is a natural geological object. The item is shown resting on a textured white fabric surface, which serves to highlight its transparency and natural geometric form. Minor surface wear or natural 'nicks' consistent with geological formation and handling are present.

AI Appraisal Report

Based on the visual evidence provided, I have examined this approximately 1 cm doubly terminated crystal. The specimen displays characteristics consistent with the 'Herkimer diamond' quartz variety, though I cannot verify the mineral species or its specific locality without gemological testing such as a Mohs hardness test or refractive index measurement. The owner identifies this as a clear quartz specimen; assuming this hypothesis is correct, the value is based on its natural geometric form and clarity. From the photo, I can see a vitreous luster and characteristic inclusions, but I cannot confirm if the facets are entirely natural or have been mechanically polished. The presence of iron oxide staining and internal fractures suggest a natural origin rather than a synthetic glass stimulant, though physical inspection is required to be sure. In the current market for mineral specimens, small individual quartz points of this size are very common and generally possess nominal value. The value is driven by the 'doubly terminated' habit, which is desirable to collectors. If this were to be identified as a rarer mineral or sourced from a prestigious locality with documentation, the value could increase slightly; conversely, if it is found to be a glass reproduction or a more common tumbled quartz fragment, the value would be negligible ($1 or less). To confirm the nature of this item, one would need to conduct density testing and an in-person examination by a mineralogist. The current estimate assumes the item is a natural quartz crystal as described by the owner.

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