General Information:
Chemical Formula:
ZrSiO4
Composition:
(Molecular Weight = 183.31 gm)
Zirconium 49.77 % Zr
Silicon 15.32 % Si
Oxygen 34.91 % O
Empirical Formula:
ZrSiO4
Environment:
Magmatic, metamorphic, pegmatitic, and alluvial rocks..
Locality:
Laacher See, Niedermendig, Germany.
Name Origin:
Named from its containing the element, zirconium; which was named from the Arabic, zargun = "gold color."
Physical Properties:
Cleavage:
[110] Indistinct
Color:
brown, reddish brown, colorless, gray, or green.
Density:
4.6 - 4.7, Average = 4.65
Diaphaniety:
Transparent to translucent to opaque
Habits:
Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline)., Tabular - Form dimensions are thin in one direction., Crystalline - Fine - Occurs as well-formed fine sized crystal s.
Hardness:
7.5 - Garnet
Luminescence:
Fluorescent and radioactive, Short UV=yellow, Long UV=dull red.
Luster:
Adamantine
Streak:
white
More details...