anglesite
yellow anglesite from Morocco emerald cut
Detailed sheet
anglesite
Its name comes from a locality in Wales (Great Britain): the island of Anglesey. Described in 1832 by French mineralogist François Sulpice Beudant as anglésine and then subsequently anglesite. There are varieties rich in silver or copper.
CHEMICAL CHARACTERISTICS
Pb[SO4]
lead sulfate mineral
PHYSICAL CHARACTERISTICS
Main color
colourless
Other colors
white, blue, yellow, green
yellow, white, green, blue
Color of streak
white
Luster
adamantine, resinous
Hardness
2.5 to 3.5
Density
6.30 to 6.40
Cleavage
good
Fracture
conchoidal
OPTICAL PROPERTIES
Transparency
translucent, transparent
Refractive index
1.878 - 1.895
Double refraction
0.017
slightly biaxial ( + )
visible double refraction
Yes
Dispersion
0.045(0.025)
Pleochroism
absent
Number of colors
1
Fluorescence
moderate
orange, yellow, rose
CRYSTALS PROPERTIES
prismatic, tabular, but fragile
crystals system
orthorhombic
OTHER INFORMATIONS
Astrological sign
Aries, Leo
APPROACHING GEMS
Exploited
sites
It is found in deposits of lead where it is formed by oxidation of galena, Scotland, Spain, Morocco, the United States, Namibia (Tsumeb), Tunisia (Sidi Amor Ben Salem).
use in jewelry
It is a stone sought by collectors, too fragile for use in jewelry.
Daily care
and precautions
Fragile, sensitive to shocks. Please note that it contains lead whose salts are toxic.
Historical
healing properties
This stone would prevent the mind wandering, would enhance concentratio and perception of reality. It would act positively on all forms of confusion in personality and would have the ability to concentrate the energies.
Other
Gems
Venez visitez
notre site web
voillot-joaillier.fr
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