mineral

Dyed mineral cluster, likely calcite or aragonite

Calcite (CaCO₃) or aragonite (CaCO₃), artificially color-enhanced

AI-generated identification · may be incorrect

Very vivid blue and red colors strongly indicate dye or coating rather than natural coloration. Carbonate minerals are typically Mohs 3–4, with vitreous to pearly luster, irregular crystalline/drusy texture, and calcite showing perfect rhombohedral cleavage.

Identified August 11, 2026More mineral →

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Physical properties

Formation & geological history

The underlying carbonate likely formed from hydrothermal or cave-related precipitation, but the specimen has been human-processed by artificial coloring. Its precise geological age and locality cannot be determined from the photograph.

Uses & applications

Primarily sold as a decorative or novelty mineral specimen; it has little industrial or jewelry value because the colors are unstable and treated.

Geological facts

Natural calcite and aragonite are commonly white, clear, honey, or pastel-colored; saturated electric blue and crimson are characteristic warning signs of dye. Acid testing can produce effervescence, but dye may stain porous surfaces.

Field identification & locations

Look for color concentrated in pores, uneven penetration, and pigment on adjoining white areas; verify with a dealer or laboratory before identifying the substrate. Similar treated clusters are widely sold from mineral markets, especially Chinese and Moroccan specimen trade.