Oboyerite

General Information: Chemical Formula:Pb6H6(Te++++O3)3(Te++++++O6)2·2(H2O) Composition:(Molecular Weight = 2,259.27 gm)Tellurium 28.24 % TeHydrogen 0.45 % H Lead 55.03 % PbOxygen 16.29 % O  Empirical Formula: Pb6H6(TeO3)3(TeO6)2·2(H2O) Environment:In an altered, mineralized shale. IMA Status:Approved IMA 1979 Locality:Grand Central mine, Tombstone, Arizona, USA. Name Origin:Named for O. (Oliver) Boyer, one of the men who first staked the Grand Central lode claim in the Tombstone district, Arizona, USA.Physical Properties: Cleavage:[???] Perfect Color:white or milky white. Density:6.4 Habits:Microscopic Crystals - Crystals visible only with microscopes., Spherical - Spherical, rounded aggregates., Aggregates - Made of numerous individual crystals or clusters. Hardness:1.5 - Between Talc and Gypsum Luminescence:Non-fluorescent. Streak:whiteMore details...