Browse Specimens

84 specimens in our catalog

Geyserite

Geyserite

Glassy Carbon

Glassy Carbon

Garnierite

Garnierite

Mud

Mud

Upsalite

Upsalite

Agate

Agate

Shale

Shale

Unnamed Arsenic Sulfide (As2S5)

Unnamed Arsenic Sulfide (As2S5)

Geyserite

Geyserite

Ammonite fossil (Agatized)

Ammonite fossil (Agatized)

Agate

Agate

Travertine

Travertine

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