69^€

Nephrite jade rock

Weight 470 gr

CHARACTERISTICS
Weight	470 gr
Size	95x45x40 mm
Reference	231212328
Mineral	group of minerals Jade
Category	Decoration stones
Group	Free forms
Country	Afghanistan

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Formula Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂] JADE
Si	Silicon	Metalloids
O	Oxygen	Other no metal
Mg	Magnesium	Alkaline earth metal
Fe	Iron	Transition metal
Cr	Chromium	Transition metal
Ca	Calcium	Alkaline earth metal

Nephrite jade is a mineral belonging to the silicate family. Its chemical composition, mainly composed of magnesium and calcium silicates, gives it great hardness and resistance to fracture, making it a highly prized stone since Antiquity. Its color, generally green, can vary from light green to dark green depending on the impurities present in the rock. Nephrite is often translucent, even opaque, and has a vitreous luster. The formation of nephrite jade is related to high-pressure, low-temperature metamorphic processes, which act on magnesium-rich rocks. Nephrite deposits are usually associated with metamorphic rocks such as schists and serpentines. Due to its remarkable physical properties, nephrite jade has been used by humans for thousands of years. Its hardness and resistance to wear have made it a preferred raw material for the manufacture of tools, weapons and art objects. In many cultures, nephrite jade has been considered a precious stone and has been used for the manufacture of jewelry and decorative objects.

Return and delivery

Shipping time
Your orders are usually shipped the day of the order and at the latest after 2 working days.

Delivery delay
Once the package is supported by the postal service, delivery times are those announced by the Post (letter followed or Colissimo followed). Parcel shipping from France.

Returns and Refund
Our refund and return policy lasts 14 days. You can read the details on the "return and delivery" page.

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