vayrynenite
vayrynenite crystal from Païabek, Chitral region, in Pakistan
vayrynenite from Viitaniemi in Finland
Detailed sheet
vayrynenite
Its name honors the Finnish mineralogist Väyrynen who identified it in Finland but the pink samples and gems come from the Paproke mine in Afghanistan.
CHEMICAL CHARACTERISTICS
MnBe[PO4] (OH,F)
manganese and beryllium phosphate
PHYSICAL CHARACTERISTICS
Main color
pink
Other colors
brown, grey
bright pink to salmon pink
Color of streak
white
Luster
vitreous
Hardness
5.0 to 0.0
Density
3.20 to 3.30
Cleavage
perfect
Fracture
uneven
OPTICAL PROPERTIES
Transparency
translucent, transparent
Refractive index
1.638 - 1.670
Double refraction
0.025
biaxial positive
visible double refraction
Yes
Dispersion
-
Pleochroism
definite
Number of colors
3
varies between red, pink and orange
Fluorescence
none
CRYSTALS PROPERTIES
well terminated short prismatic, transparent
crystals system
monoclinic
OTHER INFORMATIONS
APPROACHING GEMS
Exploited
sites
It is found in Finland where it was found in the Vitaniemi pegmatite, in China, Kazakhstan, Pakistan, Portugal, Spain, Sweden, USA and of course in Afghanistan in the Kunar Valley.
use in jewelry
a small size collection stone but of a very bright pink color
Daily care
and precautions
fragile
Other
Gems
Venez visitez
notre site web
voillot-joaillier.fr
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