KEIVIITE-(YB)


Meaning of KEIVIITE-(YB) in English

General Information:

Chemical Formula:

(Yb,Y)2Si2O7

Composition:

(Molecular Weight = 472.18 gm)

Yttrium 9.41 % Y

Ytterbium 54.97 % Yb

Silicon 11.90 % Si

Oxygen 23.72 % O

Empirical Formula:

Yb1.5Y0.5Si2O7

IMA Status:

Approved IMA 1987

Physical Properties:

Cleavage:

[???] Perfect

Color:

colorless.

Density:

5.95

Diaphaniety:

Transparent

Hardness:

4-5 - Fluorite-Apatite

Luster:

Vitreous (Glassy)

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .