scorzalite
rough scorzalite from Morocco
Detailed sheet
scorzalite
Discovered in 1957 in Brazil (Corrego Firo pegmatite, Linopolis, Doce valley, Minas Gerais).
Its name honors the Brazilian geologist who discovered it: Evaristo Penna Scorza (1899-1969).
CHEMICAL CHARACTERISTICS
(Fe,Mg)Al2[PO4](OH)2
iron and magnesium alumino- phosphate
PHYSICAL CHARACTERISTICS
Main color
blue
Other colors
green, purple
Color of streak
white
Luster
vitreous
Hardness
5.5 to 6.0
Density
3.40 to 0.00
Cleavage
good
Fracture
conchoidal, splintery
on the fracture, presence of very small planar portions
OPTICAL PROPERTIES
Transparency
opaque, translucent, transparent
Refractive index
1.626 - 1.680
Double refraction
0.038
definite, biaxial (-)
visible double refraction
Yes
Dispersion
-
Pleochroism
definite
Number of colors
2
colorless, blue
Fluorescence
none
CRYSTALS PROPERTIES
prismatic, in dipyramids
crystals system
monoclinic
OTHER INFORMATIONS
APPROACHING GEMS
Exploited
sites
It is found in the pegmatite of Rubindi in Rwanda, in the Honshu island in Japan, in Australia (Victoria, Glen Wills), Czech Republic (Moravia), Portugal, Spain, Germany in the pegmatite of Hagendorf in Bavaria, United States (California, New Hampshire, North Dakota).
use in jewelry
Cut in facets, of a very nice effect in its blue and purple transparent varieties.
Other
Gems
Venez visitez
notre site web
voillot-joaillier.fr
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