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Enstatite

>> Group(s) : pyroxenes, silicates
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Being difficult to melt, it was awarded the name of Greek word meaning "resistant" without really understanding why.
The more it contains iron, more the color becomes dark and black. The more its iron content increases, more its density increases. The enstatite forms an isomorphous series with ferrosilite, enstatite being the magnesian pole and ferrosilite the ferrous pole.
We know a gray-green variety presenting this speckle type phenomenon called "cat’s eye" like the starry enstatite.
The bronzite variety, of a dark bronze color, is an iron and magnesium silicate which has a metallic luster, a refractive index and a higher density.
The variety called clinoenstatite or hypersthene, greenish-brown, iron-rich (up to 3.5 density, hardness up to 6, refractive index up to 1.74 while that of the enstatite does not exceed 1.68 ) has a strong reddish brown pleochroism.

Exploited sites

It is found in many countries, including France, at Moun Caou (Pyrénées Atlantiques), in Prades (Arriege), Burma, Brazil, Tanzania, Kenya, United States, Mexico, Sri Lanka, South Africa, Canada. The Bronzite variety is found in Mongolia at Tairat in the Hangai Mountains.

See pictures of the mines / other pictures

Use in jewelry

Cut faceted, is a collection stone. There are that are cut cabochons to highlight a shimmer or a phenomenon of asterism.

Daily care and precautions

Fragile, low hardness

Looking alike stones

andalusite , citrine , kornerupine , scapolite , sphalerite , tourmaline , vesuvianite , zircon

Historical healing properties

It would be a stone of wisdom, of balance, it would help improve relations and avoid conflicts. It would help to make the right decisions in good conscience. On the heart chakra it would have this calming effect, on the plexus chakra it would contribute to the regulation of liver and intestines.

Chemical characteristics
Mg2Si2O6

magnesium inosilicate

Physical characteristics

Main color : brown

Other colors : grey, colourless, yellow, red, green

Color of streak : white, brown

Luster : vitreous

Hardness : 5.0 to 6.0

Density : 3.20 to 3.40

Cleavage : good

Fracture : uneven

Optical properties

Transparency : transparent, translucent

The gem variety is yellowish brown or greenish for hypersthene

Refractive Index : 1.650 - 1.740

Double refraction : 0.009

Weak, biaxial (+)

visible double refraction : no

Pleochroism : definite

Number of colors : 2

Green, green - yellow

Absorption spectrum : 547 - 505

506-547 for the bronzite. 547-505 for the hypersthene

brown - green enstatite spectrum system

brown - green enstatite spectrum system

brown enstatite spectrum system

brown enstatite spectrum system

Fluorescence : none

Inclusions : small metal strips

Crystals

Prismatic

cristaux

Crystal system : orthorhombic

Other informations

Astrological sign : Leo, Virgo, Capricorn

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Correspondance
astrological
  • Leo Leo
  • Virgo Virgo
  • Capricorn Capricorn

It helps us avoid conflicts.