Description
SERPENTINITE SPECIMEN
This is the polished green serpentinite specimen. Dimensions: 3.7 x 2.4 x 0.2″ (9.5 x 6 x 0.5cm). Weight – 1.7oz (48 grams). Origin: Russia, Siberia.
Some information about serpentinite:
Serpentinite is a rock composed of one or more serpentine group minerals, the name originating from the similarity of the texture of the rock to that of the skin of a snake. Minerals in this group are formed by serpentinization, a hydration and metamorphic transformation of ultramafic rock from the Earth’s mantle. The mineral alteration is particularly important at the sea floor at tectonic plate boundaries.
Serpentinization is a geological low-temperature metamorphic process involving heat and water in which low-silica mafic and ultramafic rocks are oxidized and hydrolyzed with water into serpentinite.
In Russia serpentinite deposits are found in the Ural Mountains.