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| | NSS Bulletin Volume 43 |
 | | The nitrate minerals niter, soda-niter, and darapskite (Na have been identified in non-saltpeter, southwestern caves. |
 | | Niter (crystal size = 1.5 mm) occurs as a tranparent, colorless to light brown, bitter-tasting wall crust in a lava tube near Socorro, New Mexico. |
 | | Soda-niter also occurs as a crystalline wall crust, as two small stalactites, and as a one small stalagmite with the Socorro niter. |
| www.caves.org /pub/journal/PDF/V43/v43n4-Hill-Mineralogy.htm (176 words) |
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