MUTHMANNITE


Meaning of MUTHMANNITE in English

General Information:

Chemical Formula:

(Ag,Au)Te

Composition:

(Molecular Weight = 271.11 gm)

Silver 23.87 % Ag

Tellurium 47.07 % Te

Gold 29.06 % Au

Empirical Formula:

Ag0.6Au0.4Te

Locality:

Sacaramb, Romania.

Name Origin:

Named for Friedrich W. Muthmann (1861-1913), German chemist and crystallographer.

Physical Properties:

Cleavage:

[???] Perfect

Color:

blackish yellow, bronzy yellow, or grayish white.

Density:

11.43

Diaphaniety:

Opaque

Habits:

Massive - Uniformly indistinguishable crystals forming large masses., Tabular - Form dimensions are thin in one direction.,

Hardness:

2.5 - Finger Nail

Luminescence:

Non-fluorescent.

Luster:

Metallic

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .