gemstone

Amethyst, Aquamarine, and Pearl Ring

SiO2 (Amethyst), Be3Al2Si6O18 (Aquamarine), CaCO3 (Pearl)

Amethyst has a Mohs hardness of 7, purple color, and vitreous luster; Aquamarine has a Mohs hardness of 7.5-8, light blue to blue-green color, and vitreous luster; Pearl has a Mohs hardness of 2.5-4.5, pearlescent luster, and is composed of calcium carbonate.

Identified August 5, 2026More gemstone →

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Physical properties

Formation & geological history

Amethyst forms in hydrothermal veins and gas cavities in volcanic rocks; Aquamarine forms in pegmatites and metamorphic rocks; Pearls are organic gems formed within the soft tissue of living shelled mollusks.

Uses & applications

Used primarily in fine jewelry and ornamental accessories.

Geological facts

The ring features a multi-stone cluster containing three distinct gemological materials representing quartz (amethyst), beryl (aquamarine), and an organic gemstone (pearl).

Field identification & locations

Commonly encountered in retail jewelry settings. Identification involves checking refractive index, hardness testing on loose stones, and visual inspection of crystal habits or organic nacre structures.

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Gemstone Ring

N/A - Set piece of jewelry, likely Amethyst or Garnet with Diamond or CZ

gemstone

Diamond and Gold Jewelry

Carbon (Diamond) / Au (Gold)

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Ammolite

Ammolite (Biogenic Aragonite with trace elements; fossils of Placenticeras meeki and Placenticeras intercalare)

mineral

Cubic Zirconia (simulant) or Diamond

ZrO2 (Cubic Zirconia) or C (Diamond)

gemstone

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

sedimentary

Black Opal Ring (Carved Opal)

Hydrated Silicon Dioxide (SiO2·nH2O)

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