purpurite
rough purpurite from South Africa
purpurite from U.S.
Detailed sheet
purpurite
Discovered in 1905, its name comes from the Latin “purpura” that matches its color, purple.
Forms a series with the heterosite which is the iron pole while purpurite the Manganese pole.
CHEMICAL CHARACTERISTICS
(Mn,Fe)[PO4]
iron and manganese phosphate
PHYSICAL CHARACTERISTICS
Main color
purple
Other colors
brown, pink, red
mauve, purple
Color of streak
pink
Luster
dull
Hardness
4.0 to 4.5
Density
3.20 to 3.40
Cleavage
indistinct
Fracture
uneven
OPTICAL PROPERTIES
Transparency
opaque, translucent
Refractive index
1.850 - 1.920
Double refraction
0.070
strong biaxial (+)
visible double refraction
No
Dispersion
++
Pleochroism
definite
Number of colors
2
pink - green, purple - red
Fluorescence
none
CRYSTALS PROPERTIES
rarely in isolated crystals but in massive aggregates
crystals system
orthorhombic
OTHER INFORMATIONS
APPROACHING GEMS
Exploited
sites
It is found in Rwanda, in the region of Guarda in Portugal, Spain, Austria, Sweden, China, Madagascar, Namibia, South Africa, the United States in Custer in South Dakota.
use in jewelry
it is cut in cabochons
Daily care
and precautions
fragile, because of its medium hardness it scratches easily
imitations and
treatments
Its color is enhanced by acid treatment.
Historical
healing properties
It is associated with the head chakras and would promote thinking freed from material constraints. It would release the fears that block us and promote awareness of our spiritual needs. It would be an indicator of our abilities untapped by raising our level of consciousness.
Other
Gems
Venez visitez
notre site web
voillot-joaillier.fr
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