Detailed sheet

ilmenite

It is named after the Ilmen Mountains in Russia, where it was discovered in 1827.



CHEMICAL CHARACTERISTICS

FeTiO3

titanium - iron oxide mineral



PHYSICAL CHARACTERISTICS

Main color

black

Color of streak

black

Luster

metallic

Hardness

5.0 to 6.0

Density

4.50 to 5.00

Cleavage

none

Fracture

uneven



OPTICAL PROPERTIES

Transparency

opaque

Refractive index

0.000 - 0.000

Double refraction

0.000

very low, negative uniaxial. refractive index illegible

visible double refraction

No

Pleochroism

absent

Number of colors

1

Fluorescence

none

Inclusions

It is the typical inclusion of beryls (especially of the aquamarine).



CRYSTALS PROPERTIES

flattened

crystals system

trigonal



OTHER INFORMATIONS

Exploited
sites

It is a common mineral found throughout the world, this is one of the main inclusions of beryl. In Egypt, Ukraine, England (Cumberland, Wales, Russia (Kola Peninsula, Siberia, the Urals) in China, Thailand, Indonesia, Tanzania, Malawi, Guinea, Brazil, Bolivia, United States (North Carolina, Arizona, Georgia, California, Washington, Pennsylvania) in Canada (Ontario, Mont Saint-Hilaire).

use in jewelry

cut for collection

Other
Gems

Venez visitez

notre site web

voillot-joaillier.fr

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