General Information:
Chemical Formula:
NaAl3(PO4)2(OH)4
Composition:
(Molecular Weight = 361.91 gm)
Sodium 6.35 % Na
Aluminum 22.37 % Al
Phosphorus 17.12 % P
Hydrogen 1.11 % H
Oxygen 53.05 % O
Empirical Formula:
NaAl3(PO4)2(OH)4
Name Origin:
Named after its first discovery in Brazil.
Physical Properties:
Cleavage:
[010] Good
Color:
colorless, greenish yellow, yellow green, or light yellow.
Density:
2.98
Diaphaniety:
Transparent
Habits:
Spherical - Spherical, rounded aggregates., Euhedral Crystals - Occurs as well-formed crystals showing good external form.,
Hardness:
5.5 - Knife Blade
Luster:
Vitreous (Glassy)
Streak:
white
More details...