Kadyrelite

Kadyrelite is a mineral with the chemical formula Hg4(Br,Cl)2O discovered in 1987.
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General Information:
 Chemical Formula:
Hg4(Br,Cl)2O
 Composition:
(Molecular Weight = 955.94 gm)
Mercury 83.93 % Hg
Bromine 12.54 % Br
Chlorine 1.85 % Cl
Oxygen 1.67 % O 
 Empirical Formula:
Hg4Br1.5Cl0.5O
 IMA Status:
Approved IMA
Physical Properties:
 Cleavage:
None
 Color:
orange or dull orange.
 Diaphaniety:
Transparent
 Hardness:
2.5-3 - Finger Nail-Calcite
 Luster:
Vitreous - Adamantine
 Streak:
orange
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