Okenite
Ca10Si18O46.18H2O
These samples of okenite are displayed in the Smithsonian Museum of Natural History. Okenite is a silicate mineral of calcium with the composition Ca10Si18O46.18H2O. The sample above is about 25 cm across and is from Bombay, Maharashtra, India.
| This sample of okenite is about 35 cm across and is from Bombay, Maharashtra, India. It is described as okenite with gyrolite. |
This okenite specimen is about 25 cm long and is from Poona, Maharashtra, India. It is described as okenite with prehnite and quartz. | . |
Mindat: Okenite
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