ETYMOLOGY: It comes from the word in spanish, piedra de ijada = stone against kidney pains.

CRYSTAL SYSTEM: Monoclinic.

PRINCIPLE OF FORMATION: Tertiary.

CLASS MINERAL: Inosilicates.

CHEMICAL FORMULA, MINERAL ELEMENTS: NaAl [Si2O6] + Ca, Fe, Mg, Mn.

HARDNESS: 7 on the Mohs scale.

FIELDS: Myanmar, Tawmaw near Mogok in Burma, Longchuan area in the province of Yunnan in China, some parts of the mountains of Tibet and Kazakhstan, Japan, Cloverdale California USA, Sierra de las Minas in Guatemala and the United Guerrero, Oaxaca, Chiapas in Mexico, Russia, Italy, the middle East.

MINERALOGY: Jade is originally a generic term that encompasses jadeite and nephrite, two very similar minerals in appearance and properties; Jadeite is mainly formed by metamorphism of basic rocks, pyroxene is a translucent color as in this case yellow, also it exists in green white and fibrous texture.

MYTHOLOGY: For centuries it was believed that jade was a unique gemstone, until in 1863 were discovered two different types; jadeite and nephrite more than 5000 years the Jade is used as a material for making tools and ornaments, originally jade was used because it is hard and tough and they used to make weapons, tools and masks, as known in Latin as "jade mask."

PROPERTIES: It is said that yellow jade fosters self-realization, promotes the richness of ideas and dynamism, is energetic and stimulating, jade is a symbol of purity and serenity, prized in the East, symbolizes the wisdom gained tranquility. Yellow and minerals exert a stimulatory effect and optimistic, bring luck, carelessness and vigor.

CHAKRAS: Solar Plexus.

ZODIAC SIGN:Libra.

USES: Jewellery, decoration, meditation, lucky charms, tools, masks.