Dont do things in halves
Some more work from this great summer.
Jennifer Crouch

| Chemical Formula: | Ca9Si6O18(OH)6·8H2O |
| Composition: | Molecular Weight = 1,063.37 gm |
| Calcium 33.92 % Ca 47.46 % CaO | |
| Silicon 15.85 % Si 33.90 % SiO2 | |
| Hydrogen 2.09 % H 18.64 % H2O | |
| Oxygen 48.15 % O | |
| ______ ______ | |
| 100.00 % 100.00 % = TOTAL OXIDE | |
| Empirical Formula: | Ca9Si6O18(OH)6·8(H2O) |
| Environment: | Late stage mineral in metamorphosed limestone. |
| IMA Status: | Approved IMA 1966 |
| Locality: | Crestmore Quarry, 5 miles NW of Riverside, Riverside Co. California. Link to MinDat.org Location Data. |
| Name Origin: | Named for Clarence Marvin Jenni (1896-1973), American mineral collector and director of the Geological Museum, University of Missouri. |




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