PHARMACOLITE


Meaning of PHARMACOLITE in English

General Information:

Chemical Formula:

CaHAsO4·2(H2O)

Composition:

(Molecular Weight = 216.04 gm)

Calcium 18.55 % Ca

Arsenic 34.68 % As

Hydrogen 2.33 % H

Oxygen 44.44 % O

Empirical Formula:

CaH(AsO4)·2(H2O)

Name Origin:

From the Greek, farmakon, "poison" and lithos, "stone."

Physical Properties:

Cleavage:

[010] Perfect

Color:

white, yellow, reddish white, or grayish white.

Density:

2.6 - 2.73, Average = 2.66

Diaphaniety:

Translucent to opaque

Habits:

Botryoidal - "Grape-like" rounded forms (e.g.. malachite)., Fibrous - Crystals made up of fibers., Encrustations - Forms crust-like aggregates on matrix.

Hardness:

2-2.5 - Gypsum-Finger Nail

Luminescence:

None.

Luster:

Vitreous - Pearly

Streak:

white

More details...

Mineralogy database English vocab.      Английский словарь базы данных минералогии .