gemstone
Blue Dyed Agate
Silicon Dioxide (SiO2) with artificial pigment
Hardness: 6.5-7 (Mohs). Color: Bright electric blue (dyed). Luster: Waxy to vitreous. Structure: Cryptocrystalline. Cleavage: None (conchoidal fracture).
- Hardness
- 6
- Color
- Bright electric blue (dyed)
- Luster
- Waxy to vitreous
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Physical properties
Hardness: 6.5-7 (Mohs). Color: Bright electric blue (dyed). Luster: Waxy to vitreous. Structure: Cryptocrystalline. Cleavage: None (conchoidal fracture).
Formation & geological history
Formed as silica-rich groundwater fills cavities in volcanic rock. This specific specimen has been tumble-polished and artificially colored with dyes through its natural microscopic pores.
Uses & applications
Primarily used for decorative purposes, jewelry (pendants, beads), and as a popular item for metaphysical collections or kids' gemstone starter kits.
Geological facts
Natural agate is rarely this vibrant shade of blue; most bright blue agates in commerce are dyed. The banding patterns are natural, but the color is enhanced to increase visual appeal.
Field identification & locations
Identify by looking for concentrations of pigment in cracks or banding layers. Common in rock shops worldwide. Collectors should look for natural, undyed specimens for higher geological value.
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