|
|
References for Gekrösstein | |
| Reference List: - + | Werner. Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 407, 424. |
|---|---|
Internet Links for Gekrösstein | |
| Search Engines: |
|
| Mineral Dealers: | |
| Jobs: | |