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Mineral group · Silicate

Serpentine

(Mg,Fe)₃Si₂O₅(OH)₄

Group name for antigorite, lizardite and chrysotile.

Hardness2.5–3.5
Crystal systemMonoclinic
ClassSilicate
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Serpentine specimen

Löllingite and Serpentine from Poland (German description on label reads from Reichenstein - there were at least two places named Reichenstein in today's Poland — Photo: Kritzolina · CC BY-SA 4.0

Serpentine

Also known as: Serpentinite (rock).

Serpentine is a mineral group, with the chemical formula (Mg,Fe)₃Si₂O₅(OH)₄.

It crystallizes in the monoclinic crystal system.

Key properties: Mohs hardness 2.5–3.5; typically green or yellow or white or gray.

Collections: Everyday Minerals, Collector Favorites.

Index entry. This entry combines official IMA/RRUFF species data with published physical-property data — a full written entry hasn’t been published yet. Browse more S minerals or help write this entry.