sulfur
sulfur crystal on calcite from Sicily in Italy
crystals of barite and sulfur from Machow mine in Tarnobrzeg, Poland
sulfur crystal from Sicily in Italy
Detailed sheet
sulfur
It has been known since antiquity, its name comes from the Sanskrit “çulbâri” meaning “enemy of copper” or from the Latin “sulpur”.
Reduced in powder it was used to repel insects and burned to keep away the “vermin” and the “enemies”.
A component of gunpowder discovered by the Chinese, it was widely used by alchemists.
The chemist Lavoisier identified it as a pure element.
CHEMICAL CHARACTERISTICS
S
sulfur
PHYSICAL CHARACTERISTICS
Main color
yellow
Color of streak
white
Luster
greasy, resinous
Hardness
1.5 to 2.5
Density
2.05 to 2.09
Cleavage
indistinct
Fracture
conchoidal, uneven
OPTICAL PROPERTIES
Transparency
translucent, transparent
Refractive index
1.958 - 2.245
Double refraction
0.291
very strong biaxial positive
visible double refraction
Yes
Dispersion
0,155
Pleochroism
definite
Number of colors
2
colorless, yellow - brown
Fluorescence
none
CRYSTALS PROPERTIES
massive crystals
crystals system
orthorhombic
OTHER INFORMATIONS
APPROACHING GEMS
Exploited
sites
Very common. It is found in Italy (Sicily), Brazil, Argentina, Bolivia, Poland, Iran, Afghanistan, Iceland, the United States …
use in jewelry
collection stone, cut in facets
Daily care
and precautions
Very sensitive to heat: it deforms already at hand heat.
Historical
healing properties
This stone would be the absolute protection against the forces of evil, but it would be very difficult to control. The color corresponds to the solar plexus chakra, it would bring warmth and good humor.
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