General Information:
Chemical Formula:Hg+4Hg++Cr++++++O6
Composition:(Molecular Weight = 549.17 gm)Chromium 9.47 %
CrMercury 73.05 %
HgOxygen 17.48 %
O Empirical Formula: HgHgCrO6
Environment:Oxidized zone of mercury deposits.
IMA Status:Approved IMA
Locality:Clear Creek mercury mine, new Idria district, San Benito County, California.
Name Origin:The mineral is named for Mr. Lu Watters(1911-1989), a well known California mineral collector, jazz trumpeter, chef and environmentalist.
Physical Properties: Cleavage:None
Color:bronze, reddish brown, or black.
Density:8.91
Diaphaniety:Opaque to translucent
Habits:Encrustations - Forms crust-like aggregates on matrix., Crystalline - Fine - Occurs as well-formed fine sized crystals.,
Hardness:4.5 - Between Fluorite and Apatite
Luminescence:Non-fluorescent.
Luster:Sub Metallic
Streak:dark brick red
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