Locality type: Area Classification Species: Gypsum var: Selenite Formula: CaSO4 · 2H2 O Comments: Occurs as twinned crystals in clay of the Rincon Formation, Northward from the contact with the Vaqueros. The crystals are well-formed individuals up to 3 inches (7.5 cm) long. Habit: Fishtail-twinned crystals Confirmation Validity: Believed Valid Data Mineral Data: Click here to view Selenite data Locality Data: Click here to view Drake Radio Tower area, Canada del Ore, Hollister Ranch, Gaviota Pass, Santa Ynez Mountains, Santa Barbara County, California, USA Data Identifiers Mindat Occurrence Record ID: 668684 Long-form Identifier: 1:3:668684:0 GUID (UUID V4 ): 0 References Search for references including Selenite Drake Radio Tower area, Canada del Ore, Hollister Ranch, Gaviota Pass, Santa Ynez Mountains, Santa Barbara County, California, USA