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>> Group(s) : garnets, silicates
See the pictures :

Its name comes from the cottage of Spessar sur- le -Main in Bavaria.
The finest ones come from Africa, in Namibia, from a recently discovered deposit that produced the famous "tangerine"garnets, of a very bright color and a beautiful shine, and that seems exhausted.
The "malaya"garnets: they are an intermediate between pyrope and spessartite and have the characteristic of changing color depending on the type of light: natural, incandescent: from orange to dark pink, it has been discovered in the 1990s (see pyrope).

Exploited sites

It is a garnet, we find some beautiful ones in Namibia (named mandarin garnet, or mandarine in French) but also in Burma, Pakistan, Brazil, China, United States, Kenya, Madagascar, Sri Lanka, Tanzania, Nigeria, from where beautiful stones, recalling the color of mandarin garnet from Namibia, come from, and are often confused with it.

See pictures of the mines / other pictures

Use in jewelry

Robust stone, of a beautiful shine, easy to cut, sometimes showing a beautiful bright orange tangerine color. It is mounted in the rings, earrings, pendant ( pear cut ).
The garnet is the stone for the anniversary of the second year of marriage.

Daily care and precautions

Easy care like all garnets, washing with water and detergent, rinse with pure water and drying carefully.

Looking alike stones

almandite , andalusite , chrysoberyl , citrine , grossular , opal , sphalerite , titanite , topaz

Historical healing properties

It is related to the solar plexus chakra. This stone would have a beneficial effect on appetite to regain lost alimentation, but it would also have an effect on sexual desire that it would also restore. According to some it would make the anxious feel less guilty.

Imitations and treatments

Many imitations: from red-orange colored glass, to spinel and synthetic ruby , red synthetic zirconium oxide, GGG ( Gadolinium Gallium Garnet ) to YAG (Yttrium Aluminium Garnet )....

Chemical characteristics

manganese and aluminum silicate

Physical characteristics

Main color : orange

Other colors : brown, red

all shades from orange

Color of streak : white

Luster : adamantine, vitreous

Hardness : 6.5 to 7.5

Density : 4.12 to 4.20

Cleavage : indistinct

Fracture : conchoidal, uneven

difficult cleavage

Optical properties

Transparency : transparent

Refractive Index : 1.790 - 1.820

Double refraction : 0.000

Zero, isotropic, sometimes stones exhibit a polarization anomaly

visible double refraction : no

Dispersion : 0.027 (0.015)

Pleochroism : absent

Number of colors : 1


Absorption spectrum : 432 - 412

light orange spessartite spectrum system

light orange spessartite spectrum system

orange spessartite spectrum system

orange spessartite spectrum system

Fluorescence : none

Inclusions : solid (apatite) and liquid, healing fissures


Hexoctahedral, dodecahedral


Crystal system : cubic

Other informations

Astrological sign : Cancer, Virgo, Scorpio, Sagittarius, Aquarius

Month : january

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  • Cancer Cancer
  • Virgo Virgo
  • Scorpio Scorpio
  • Sagittarius Sagittarius
  • Aquarius Aquarius

it gives envy, avoids fatigue