General Information:
Chemical Formula:
ZrO2
Composition:
(Molecular Weight = 123.22 gm)
Zirconium 74.03 % Zr
Oxygen 25.97 % O
Empirical Formula:
ZrO2
Environment:
Gem gravels and high temperature veins.
Locality:
Caldas, Minas Gerais and Jacupiranga, Sao Paulo, Brazil.
Physical Properties:
Cleavage:
[001] Distinct
Color:
brown, brownish black, colorless, green, or greenish brown.
Density:
5.5 - 6, Average = 5.75
Diaphaniety:
Transparent to translucent
Habits:
Tabular - Form dimensions are thin in one direction., Crystalline - Coarse - Occurs as well-formed coarse sized crystals.,
Hardness:
6.5 - Pyrite
Luster:
Adamantine
Streak:
white
More details...