Rock Identifier
Yellow faceted gemstone, likely synthetic cubic zirconia or glass; species cannot be confirmed from the image (Undetermined; possible cubic zirconia (ZrO₂), a manufactured gemstone simulant) — gemstone
gemstone

Yellow faceted gemstone, likely synthetic cubic zirconia or glass; species cannot be confirmed from the image

Undetermined; possible cubic zirconia (ZrO₂), a manufactured gemstone simulant

AI-generated identification · may be incorrect

Brilliant-cut, transparent yellow stone with high apparent luster. Hardness and crystal structure cannot be identified visually; cubic zirconia is Mohs 8–8.5, while glass is about 5–6.

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Physical properties

Brilliant-cut, transparent yellow stone with high apparent luster. Hardness and crystal structure cannot be identified visually; cubic zirconia is Mohs 8–8.5, while glass is about 5–6.

Formation & geological history

The image shows a cut stone, not enough to determine its material or geological origin. If natural, yellow color may arise from trace elements or defects in the crystal; cubic zirconia is lab-grown.

Uses & applications

Used in jewelry as a colored gemstone or diamond simulant; value depends strongly on confirmed identity, size, color, and cut.

Geological facts

Yellow stones may include sapphire, citrine, diamond, and several simulants; visual color alone is not diagnostic.

Field identification & locations

Gemological testing—refractive index, specific gravity, and magnification—is needed to distinguish natural gems from simulants. The image does not establish a natural mineral species or locality.