variscite
natural variscite from U.S.
polished variscite from U.S.
solid like inclusions
Detailed sheet
variscite
It recalls the old name of Vogtland (southern Saxony, Germany) called Variscia in Latin, where it was discovered in the valley of the Mess.
A massive variety, found in the United States (Nevada,) with interpenetration of veinlets or quartz nodules and chalcedony, is called “amatrix” or “amatrice”.
There is also a pink manganiferous variety that comes from Ghana and Brazil.
CHEMICAL CHARACTERISTICS
AlPO4 - 2H2O
hydrated aluminium phosphate
PHYSICAL CHARACTERISTICS
Main color
green
Other colors
blue, yellow, pink
greenish yellow, apple green, sometimes blue
Color of streak
white
Luster
greasy, silky
Hardness
4.0 to 5.0
Density
2.40 to 2.60
Cleavage
perfect
Fracture
granular, uneven
OPTICAL PROPERTIES
Transparency
opaque, translucent
rarely translucent
Refractive index
1.560 - 1.595
Double refraction
0.030
definite, biaxial (-)
visible double refraction
No
Dispersion
-
Pleochroism
absent
Number of colors
1
Absorption spectrum
688
Fluorescence
variable
green
Inclusions
quartz, chalcedony forming stripes, iron oxides
CRYSTALS PROPERTIES
fibrous massive agregates
crystals system
orthorhombic
OTHER INFORMATIONS
Astrological sign
Aquarius, Leo, Virgo
APPROACHING GEMS
Exploited
sites
It occurs as nodules, massive aggregates, especially in Fairfield, Utah (USA), but also in France, Pannecé (Atlantique Loire), Australia (Queensland), Brazil.
use in jewelry
as for turquoise it is made into cabochons, inserts, decorative objects.
Daily care
and precautions
Fragile, keep away from household products.
imitations and
treatments
Very often impregnated with resins to improve its strength and its polish.
Sometimes colored to strengthen a weak natural coloring.
Historical
healing properties
It would be a generous stone to our service, the stone of humility that would make us see our weaknesses realistically to help us address them and find harmony. It would also help to port our left and right brain, putting in contact creativity, humanism and rationality.
Other
Gems
Venez visitez
notre site web
voillot-joaillier.fr
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