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

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

Other
Gems

Venez visitez

notre site web

voillot-joaillier.fr

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