wulfenite
wulfenite crystals from Mexico
wulfenite crystals from Morocco
wulfenite crystal from Red Cloud Mine, Colorado, United States
cushion cut wulfenite
Detailed sheet
wulfenite
Discovered in 1845, it honors the name of the Austrian mineralogist Franz Xaver von Wulfen (1728-1805).
CHEMICAL CHARACTERISTICS
Pb[MoO4)
lead molybdate
PHYSICAL CHARACTERISTICS
Main color
orange
Other colors
brown, yellow, red
Color of streak
white, yellow
Luster
adamantine, greasy, resinous
Hardness
3.0 to 0.0
Density
6.50 to 7.00
Cleavage
indistinct
Fracture
conchoidal, uneven
cleavage only on one axe
OPTICAL PROPERTIES
Transparency
opaque, translucent, transparent
Refractive index
2.280 - 2.400
Double refraction
0.120
very strong uniaxial ( - ), but can appear wrongly biaxial
visible double refraction
Yes
Dispersion
forte 0,200(0.130)
Pleochroism
weak
Number of colors
2
yellow, orange
wulfenite spectrum system
Fluorescence
variable
yellow, orange, red
CRYSTALS PROPERTIES
tabular
crystals system
tetragonal
OTHER INFORMATIONS
APPROACHING GEMS
Exploited
sites
In France it is found in the Cap Garonne Mine in the Var, in that of Farges, in Ussel in Correze, in Germany in the Katharina Mine in the Palatinate, in Mexico (Chihuahua), in Arizona from which come beautiful specimens (Red Cloud Mine), Morocco, Namibia, Zambia, Zaire, Mogolie, China.
use in jewelry
it is cut in facets. It’s a collection stone
Historical
healing properties
close to the topaz in the vibrational level, it would be related to the solar plexus chakra and bring warmth and wellbeing.
Other
Gems
Venez visitez
notre site web
voillot-joaillier.fr
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