metamorphic
Green Aventurine (or Xiuyan Jade / Serpentine)
Silicon Dioxide (SiO2) with Fuchsite inclusions or Magnesium Silicate
Hardness 6.5-7 (Quartz-based Aventurine) or 2.5-5.5 (Serpentine/Xiuyan Jade); mottled light to deep olive green; greasy to vitreous luster; massive microcrystalline structure.
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Physical properties
Hardness 6.5-7 (Quartz-based Aventurine) or 2.5-5.5 (Serpentine/Xiuyan Jade); mottled light to deep olive green; greasy to vitreous luster; massive microcrystalline structure.
Formation & geological history
Formed in metamorphic or hydrothermal environments where silica-rich fluids permeate regional host rocks, incorporating mica or other mineral impurities during crystallization.
Uses & applications
Carved into facial massage tools (Gua Sha), ornamental figurines, beads, cabochons, and gemstone jewelry.
Geological facts
This specific piece is carved into a Traditional Chinese Medicine Gua Sha facial massaging tool. Commercial jade Gua Sha tools are often crafted from Green Aventurine or Xiuyan Jade (Serpentine) rather than true Nephrite or Jadeite jade.
Field identification & locations
Identified by its characteristic mottled green mottling, soft cool texture, and polished curved ergonomic edges. Commonly found in China, India, and Brazil.
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