PITIGLIANOITE


Meaning of PITIGLIANOITE in English

General Information:

Chemical Formula:

Na6K2Si6Al6O24(SO4)·2(H2O)

Composition:

(Molecular Weight = 1,062.62 gm)

Potassium 7.36 % K

Sodium 12.98 % Na

Aluminum 15.23 % Al

Silicon 15.86 % Si

Hydrogen 0.38 % H

Sulfur 3.02 % S

Oxygen 45.17 % O

Empirical Formula:

K2Na6Si6Al6O24(SO4)·2(H2O)

Environment:

In a pumice quarry, in ejected blocks showing metasomatic effects. A product of reaction between trachitic magma and carbonate and sulfate rock in the volcanic vent.

IMA Status:

Approved IMA

Locality:

Casa Collina, Ptigliano, Tuscany, Italy.

Name Origin:

Named after the locality.

Physical Properties:

Cleavage:

[???] Indistinct

Color:

colorless.

Density:

2.37

Diaphaniety:

Transparent

Habits:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., ,

Hardness:

5 - Apatite

Luster:

Vitreous (Glassy)

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .