General Information:
Chemical Formula:
Zn3(PO4)2·4(H2O)
Composition:
(Molecular Weight = 458.17 gm)
Zinc 42.82 % Zn
Phosphorus 13.52 % P
Hydrogen 1.76 % H
Oxygen 41.90 % O
Empirical Formula:
Zn3(PO4)2·4(H2O)
Name Origin:
Named after the Scottish chemist, T. Ch. Hope.
Physical Properties:
Cleavage:
[100] Perfect, [010] Good, [001] Poor
Color:
colorless, gray white, yellow, white, or light yellow.
Density:
3
Diaphaniety:
Transparent to Translucent
Habits:
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., Reniform - "Kidney like" in shape (e.g.. hematite)., Encrustations - Forms crust-like aggregates on matrix.
Hardness:
3 - Calcite
Luminescence:
None.
Luster:
Vitreous (Glassy)
Streak:
white
More details...