TACHYHYDRITE


Meaning of TACHYHYDRITE in English

General Information:

Chemical Formula:

CaMg2Cl6·12(H2O)

Composition:

(Molecular Weight = 517.59 gm)

Calcium 7.74 % Ca

Magnesium 9.39 % Mg

Hydrogen 4.67 % H

Chlorine 41.10 % Cl

Oxygen 37.09 % O

Empirical Formula:

CaMg2Cl6·12(H2O)

Environment:

Rare constituent of marine salt deposits.

Locality:

Stassfurt, Province of Saxony, Germany.

Name Origin:

From the Greek for "quick water", in allusion to its ready deliquescence.

Physical Properties:

Cleavage:

[1011] Good, [1011] Good, [1011] Good

Color:

colorless or yellow.

Density:

1.66

Diaphaniety:

Transparent to translucent

Habits:

Massive - Uniformly indistinguishable crystals forming large masses., Deliquescent - Crystals absorb water from the air and melt or otherwise deteriorate., Tastes Bitter - Bitter tast e from water soluble Mg or Ca compounds.

Hardness:

2 - Gypsum

Luster:

Vitreous - Greasy

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .