| Reference List: | Ulex (1845) Svenska Vetenskapsakademien, Stockholm, Handlingar [Ak. Stockholm, Öfv.]: 3: 32.
Ulex (1846) Annalen der Physik, Halle, Leipzig: 58: 99.
Ulex (1848) Annalen der Physik, Halle, Leipzig: 66: 41.
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, 1124 pp.: 715. |
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