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Mineral

Nephrite

Silicate Minerals

Nephrite is a variety of the calcium, magnesium and iron-rich amphibole minerals tremolite, actinolite or ferro-actinolite, with the chemical formula Ca2(Mg, Fe)5Si8O22(OH)2. It is one of two different mineral species called jade, the other being jadeite, which is a variety of pyroxene. Nephrite jade shows mainly grays and greens, and occasionally yellows, browns, black or white, and is an ornamental stone used in carvings, beads or cabochon-cut gemstones. It is also the official state mineral of Wyoming. In this atlas it is the mineral species behind nephrite jade.

Nephrite is a variety of the calcium, magnesium and iron-rich amphibole minerals tremolite, actinolite or ferro-actinolite, with the chemical formula Ca2(Mg, Fe)5Si8O22(OH)2. It is one of two different mineral species called jade, the other being jadeite, which is a variety of pyroxene. Nephrite jade shows mainly grays and greens, and occasionally yellows, browns, black or white, and is an ornamental stone used in carvings, beads or cabochon-cut gemstones. It is also the official state mineral of Wyoming. In this atlas it is the mineral species behind nephrite jade.

Facts
Classification
Strunz Class
Silicates 1
Strunz Class
Silicates 1
Crystal System
Monoclinic 1
Crystal System
Monoclinic 1
Use
Sculpture and Ornamental 1
Use
Sculpture and Ornamental 1
Chemical Formula
Ca2(Mg,Fe)5Si8O22(OH)2 1
Chemical Formula
Ca2(Mg,Fe)5Si8O22(OH)2 1
Hardness (Mohs)
6.25 1
Commonly cited range is 6.0 to 6.5 on the Mohs scale; 6.25, the midpoint, is used here.
Hardness (Mohs)
6.25 1
Commonly cited range is 6.0 to 6.5 on the Mohs scale; 6.25, the midpoint, is used here.
Connections

Caused By

Metamorphism, Processes
Source Jade (Wikipedia)

Crystallizes In System

Monoclinic Crystal System, Concepts
Monoclinic Crystal System, Concepts

In Discipline

Mineralogy, Disciplines
In the Other Atlases

Mineral Species Of

Jade

Also in Divinity Atlas: of this mineral species.

Sources
1. Nephrite (Wikipedia)
Wikimedia Foundation
  • Nephrite, lead paragraph
    Nephrite is a variety of the calcium, magnesium, and iron-rich amphibole minerals tremolite, actinolite or ferro-actinolite
  • Nephrite, article text
    Nephrite is also the official state mineral of Wyoming.
View the Source
Jade (Wikipedia)
Caused By: Metamorphism, Nephrite and jadeite
Quote, Caused By: Metamorphism, Nephrite and jadeite
Tremolite occurs in metamorphosed dolomitic limestones, and actinolite in metamorphic greenschists/glaucophane schists.
View the Source
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