Rock Identifier
Polished blue gemstone bead bracelet, likely aquamarine (Aquamarine, blue variety of beryl (Be₃Al₂Si₆O₁₈); identification from the image is uncertain) — gemstone
gemstone

Polished blue gemstone bead bracelet, likely aquamarine

Aquamarine, blue variety of beryl (Be₃Al₂Si₆O₁₈); identification from the image is uncertain

AI-generated identification · may be incorrect

Pale blue, polished and translucent-to-opaque beads with vitreous luster; beryl has hexagonal crystals and Mohs hardness 7.5–8. The beads’ uniform color and opacity mean other materials, such as dyed quartz, cannot be ruled out visually.

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Physical properties

Pale blue, polished and translucent-to-opaque beads with vitreous luster; beryl has hexagonal crystals and Mohs hardness 7.5–8. The beads’ uniform color and opacity mean other materials, such as dyed quartz, cannot be ruled out visually.

Formation & geological history

If aquamarine, it crystallized in granitic pegmatites and related hydrothermal environments, commonly during the Precambrian through younger geologic periods. The bracelet’s beads have been cut and polished from geological material.

Uses & applications

Worn as jewelry and collected as gemstone beads; aquamarine is also used in faceted jewelry and ornamental objects.

Geological facts

Aquamarine’s blue color is associated chiefly with trace iron in beryl. Bead appearance alone is not sufficient to confirm the stone or detect treatments.

Field identification & locations

Look for natural variations, translucency, and hardness, but confirm with gemological testing; common sources include Brazil, Pakistan, Madagascar, and Nigeria. Similar-looking beads may be dyed or made from other minerals.