Agate

Proposed collection

Concentric bands formed as silica filled cavities over long periods, so every slice has its own pattern.

About the mineral

Banded chalcedony, a microcrystalline form of quartz (SiO2).

Microcrystalline quartz
Mohs hardness about 6.5 to 7
Bands form inside cavities in volcanic and other rocks

Specimens

No specimens yet. This collection is a proposal. Specimens will be selected, photographed and recorded by Abstract Serenity before anything is offered.

See the specimen page template (layout preview with placeholders).