These okenite crystal clusters are from the Pune (Poone) District, Maharastra State, India. This region contains several basalt quarries from which mineral crystal specimens are recovered. The basalt contains vugs and vesicules that can be filled with 32 different mineral species including okenite. This specimen consists of a thick, 1 3/4 inch, basalt matrix that is topped with a thin layer of botryoidal gyrolite, accicular clusters of okenite and druse apophyllite. There are over one dozen clusters of okenite with single clusters up to 20 mm across. Gyrolite in ball-like formations are up to 10 mm across. This piece measures 4 1/2 x 3 x 1 3/4 inches or 114 x 76 x 45 mm. The left side has a sawed edge.