Nephrite Jade Crystal Point

Nephrite is a variety of the calcium, magnesium, and iron-rich amphibole minerals tremolite or actinolite. The chemical formula for nephrite is Ca₂(Mg, Fe)₅Si₈O₂₂(OH)₂. It is one of two different mineral species called jade. The other mineral species known as jade is jadeite, which is a variety of pyroxene. 

Color: Green, White, Black, Blue, Yellow, Red, Pink, Grey, Purple, Brown, Orange

Luster: Vitreous, Waxy

Crystal system: Monoclinic crystal system

Chemical formula: Ca₂(Mg,Fe)₅Si₈O₂₂ (OH)₂

Hardness (Mohs hardness scale): 6 – 7

Transparency: Opaque, Translucent

Specific gravity: 2.95 (+.15, -.05)

 The main difference between jade and jadeite is quality. Jade has two varieties as nephrite and jadeite. Jadeite is considered a high-quality jade, and it is rarer and more expensive than nephrite. Jade is a hard, usually green gemstone used for ornaments and jewellery.