DOUGLASITE


Meaning of DOUGLASITE in English

General Information:

Chemical Formula:

K2Fe++Cl4·2(H2O)

Composition:

(Molecular Weight = 311.88 gm)

Potassium 25.07 % K

Iron 17.91 % Fe

Hydrogen 1.29 % H

Chlorine 45.47 % Cl

Oxygen 10.26 % O

Empirical Formula:

K2Fe2+Cl4·2(H2O)

Environment:

Altered marine evaporite rocks.

Locality:

Found at Douglasschall, northwest of Stassfurt, Germany.

Name Origin:

Named after its discovery locality.

Physical Properties:

Cleavage:

[???] Indistinct

Color:

brown red or light green.

Density:

2.162

Habits:

Massive - Granular - Common texture observed in granite and other igneous rock., ,

Luster:

Vitreous (Glassy)

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .