dolomite
dolomite crystals from Italy
Detailed sheet
dolomite
Identified by de Saussure in 1792, its name honors the French mineralogist Dolomieu.
Very common mineral, especially as gangue in the ore deposits.
Not to be confused with dolostone which is a rock composed of dolomite.
CHEMICAL CHARACTERISTICS
Ca,Mg[CO3]2
calcium magnesium carbonate
PHYSICAL CHARACTERISTICS
Main color
white
Other colors
brown, grey, colourless, yellow, pink
sometimes greenish
Color of streak
white
Luster
pearly, vitreous
Hardness
3.5 to 4.0
Density
2.80 to 2.95
Cleavage
perfect
Fracture
uneven
easy cleavage
OPTICAL PROPERTIES
Transparency
translucent, transparent
Refractive index
1.500 - 1.700
Double refraction
0.179
strong uniaxial negative
visible double refraction
Yes
Pleochroism
absent
Number of colors
1
Fluorescence
variable
sometimes pink, yellow...depending on the deposit of origin
CRYSTALS PROPERTIES
massive prismatic and curved
crystals system
trigonal
OTHER INFORMATIONS
Astrological sign
Libra, Taurus, Virgo
APPROACHING GEMS
Exploited
sites
It is found in France in the Alps at La Mure, in the Dolomites in Italy, the United States, Spain, Romania, Russia, all over the world …
use in jewelry
A collection stone, transparent varieties are cut in facets.
Daily care
and precautions
sensitive to acids, and shocks.
Historical
healing properties
It would be a simple stone, a stone that purifies, relaxing when it’s pink as rose quartz, but also softer. It cleanses the mind and have a positive effect on cleaning the liver and kidneys. It would help to look at things simply, to avoid complications, to have common sense: it would be perfect to “land” farmers, people close to nature, gardeners. It would facilitate relationships based on simplicity, exchanges between neighbors and friends.
Other
Gems
Venez visitez
notre site web
voillot-joaillier.fr
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