Redledgeite

General Information: Chemical Formula:BaTi6Cr+++2O16·(H2O) Composition:(Molecular Weight = 802.60 gm)Barium 17.11 % BaTitanium 35.79 % TiChromium 12.96 % CrHydrogen 0.25 % H Oxygen 33.89 % O  Empirical Formula: BaTi6Cr2O16·(H2O) IMA Status:Approved IMA 1961 Locality:Red Ledge mine, south of Washington, Nevada Co., California. Name Origin:Named after it's locality.Physical Properties: Cleavage:[???] Good Color:yellow green or black. Density:3.72 Diaphaniety:Opaque Hardness:6-7 - Orthoclase-Quartz Luster:Adamantine Streak:gray whiteMore details...