IRIDIUM


Meaning of IRIDIUM in English

General Information:

Chemical Formula:

(Ir,Os,Ru)

Composition:

(Molecular Weight = 182.50 gm)

Iridium 63.20 % Ir

Osmium 31.27 % Os

Ruthenium 5.54 % Ru

Empirical Formula:

Ir0.6Os0.3Ru0.1

Locality:

CALIFORNIA

Name Origin:

Named after the element Iridium which was from the Latin, Iris = "rainbow" in allusion to the colored salts derived from its compounds.

Physical Properties:

Cleavage:

None

Color:

white.

Density:

22.6 - 22.8, Average = 22.7

Diaphaniety:

Opaque

Hardness:

6-7 - Orthoclase-Quartz

Luminescence:

Non-fluorescent.

Luster:

Metallic

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .