Meaning of AESCHYNITE-(Y) in English

AESCHYNITE-(Y)

General Information:

Chemical Formula:

(Y,Ca,Fe)(Ti,Nb)2(O,OH)6

Composition:

(Molecular Weight = 274.97 gm)

Calcium 4.37 % Ca

Yttrium 19.40 % Y

Titanium 30.47 % Ti

Niobium 8.45 % Nb

Iron 2.03 % Fe

Hydrogen 0.37 % H

Oxygen 34.91 % O

Empirical Formula:

Y0.6Ca0.3Fe2+0.1Ti1.75Nb0.25O5(OH)

IMA Status:

Accepted IMA 1966

Locality:

TL: Norway, Urstad, Hittero

Name Origin:

Named for its composition and from the Greek for "shame," in allusion to the inability of chemists, at the time of its discovery, to separate some of its constituents.

Physical Properties:

Cleavage:

None

Color:

black, brownish black, brown, brownish yellow, or yellowish.

Density:

4.85 - 5.13, Average = 4.99

Diaphaniety:

Transparent to subtranslucent

Habits:

Massive - Uniformly indistinguishable crystals forming large masses., ,

Hardness:

5-6 - Between Apatite and Orthoclase

Luster:

Adamantine - Resinous

Streak:

reddish yellow

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .