mineral

Blue-dyed tumbled quartz or glass imitation

Quartz (SiO₂), appearance possibly enhanced with blue dye; identity uncertain from image

AI-generated identification · may be incorrect

Translucent vivid turquoise-blue, vitreous luster, irregular conchoidal-looking fractures, and rounded tumbling; quartz hardness 7 and specific gravity about 2.65. The intense uniform color and bubble-like clarity could also indicate man-made glass, which would make it non-geological.

Identified September 20, 2026More mineral →

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Physical properties

Formation & geological history

If quartz, it formed in silica-rich veins or cavities through hydrothermal processes, commonly in relatively young to ancient host rocks, then was cut, dyed, and polished. If glass, it is manufactured rather than geologically formed.

Uses & applications

Dyed tumbled quartz is sold for inexpensive décor, craftwork, and metaphysical collections; natural blue quartz is uncommon and collectible. Glass imitations have mainly decorative value.

Geological facts

Natural quartz rarely has this saturated, evenly distributed turquoise color; dye concentrations in cracks or pits are a useful clue.

Field identification & locations

Check with a 10× loupe for dye pooling, round gas bubbles, or flow lines; a scratch test can distinguish glass/quartz only imperfectly. Common sources for dyed quartz include Brazil, Madagascar, and China.