mineral

Snakeskin Agate

Cryptocrystalline Quartz (SiO2)

Hardness: 6.5-7 on Mohs scale; Color: Cream, tan, and translucent brown; Luster: Waxy to vitreous; Crystal structure: Trigonal/Microcrystalline; Cleavage: None (conchoidal fracture).

Hardness: 6
Color: Cream, tan, and translucent brown
Luster: Waxy to vitreous

Identified June 3, 2026More mineral →

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Physical properties

Hardness: 6.5-7 on Mohs scale; Color: Cream, tan, and translucent brown; Luster: Waxy to vitreous; Crystal structure: Trigonal/Microcrystalline; Cleavage: None (conchoidal fracture).

Formation & geological history

Formed by the deposition of silica in gas cavities (vesicles) or cracks in volcanic rock. The unique scale-like patterns are caused by natural surface weathering and selective dissolution of the silica over millions of years.

Uses & applications

Primarily used for lapidary work, cabochons for jewelry, metaphysical collecting, and as ornamental display specimens.

Geological facts

The pattern resembles the scales of a snake, which is how it earned its name. It is highly prized in the metaphysical community for its supposed grounding properties.

Field identification & locations

Identified by its distinctive wrinkled or scaly exterior texture and translucent banded interior. Commonly found in Oregon, USA, and parts of Mexico. Look for smooth, water-worn nodules with a 'crackled' white or tan rind.