inderite
Detailed sheet
inderite
It owes its name to Lake Inder in Kazakhstan where it was discovered in 1937.
CHEMICAL CHARACTERISTICS
MgB3O3(OH)5 - 5(H2O)
hydrated magnesium borate
PHYSICAL CHARACTERISTICS
Main color
white
Other colors
colourless, pink
Color of streak
white
Luster
vitreous
Hardness
2.5 to 3.0
Density
1.78 to 1.86
Cleavage
perfect
Fracture
uneven
small plane parts observed on the fracture
OPTICAL PROPERTIES
Transparency
translucent, transparent
often milky white
Refractive index
1.485 - 1.508
Double refraction
0.020
definite, biaxial (+)
visible double refraction
No
Dispersion
-
Pleochroism
absent
Number of colors
1
Fluorescence
none
CRYSTALS PROPERTIES
prismatic translucent or translucent aggregates
crystals system
monoclinic
OTHER INFORMATIONS
APPROACHING GEMS
Exploited
sites
They are found in Boron, California; in Anatolia in Turkey, and Kazakhstan, where it was discovered.
use in jewelry
cabochon cut for collection
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Gems
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