CALCIOTANTITE


Meaning of CALCIOTANTITE in English

General Information:

Chemical Formula:

Ca(Ta,Nb)4O11

Composition:

(Molecular Weight = 670.87 gm)

Calcium 5.97 % Ca

Tantalum 53.94 % Ta

Niobium 13.85 % Nb

Oxygen 26.23 % O

Empirical Formula:

CaTa2NbO11

Environment:

Granite pegmatites.

IMA Status:

Approved IMA 1982

Locality:

Kola Peninsula, Russia.

Name Origin:

Named for its composition (Calcium, Tantalum).

Physical Properties:

Cleavage:

None

Color:

colorless.

Density:

7.46

Diaphaniety:

Transparent

Habits:

Square - Occurs as square crystals in shape or outline., Hexagonal - Six-sided crystal shape in cross-section or habit., Inclusions - Generally found as inclusions in other minerals.

Hardness:

6.5 - Pyrite

Luminescence:

Non-fluorescent.

Luster:

Adamantine

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .