gemstone

Agate

Silicon dioxide (SiO2)

Hardness of 6.5 to 7 on the Mohs scale, waxy to vitreous luster, microcrystalline quartz structure with distinctive banding.

Identified October 24, 2026More gemstone →

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Physical properties

Hardness of 6.5 to 7 on the Mohs scale, waxy to vitreous luster, microcrystalline quartz structure with distinctive banding.

Formed by the deposition of silica from groundwater in the cavities of igneous and sedimentary rocks over millions of years.

Widely used in jewelry, ornamental carvings, and precision instruments due to its durability.

Agate is one of the most popular stones used in lapidary art and was highly prized in ancient civilizations for talismans and seals.

Identified by its translucent appearance and concentric color bands; commonly found in volcanic rock cavities worldwide.

Ammolite

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

Gemstone Ring

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

Amber

Succinite (Organic Gemstone)

Diamond and Gold Jewelry

Carbon (Diamond) / Au (Gold)

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Pearl necklace

Pearl, primarily aragonite (CaCO₃) and conchiolin