The book A Treatise On Mineralogy was written by author Charles Upham Shepard Here you can read free online of A Treatise On Mineralogy book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A Treatise On Mineralogy a good or bad book?
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90. 45. Pen n i t e, Herm. Hydro-nickel magnesite, SHEPARD, p. 91. r 46. A r a g o n i t e, p. 90. 47. Dolomite, p. 92 i. 97. . , . . 48. Diallogite, Bead. , p. 96. 49. M a n g a n o c a 1 c i t e, BREITHAUPT, p (1) Schr'otterite. Called also, Opat-allopk ane. H. 3'0 .. . 3'5. G. =1'95 ... 2'05. Color greenish, yellowish, and spotted with brown. Analysis, by Schrotter. Soluble in acids. B. B. , like allophane. Silica, - 11-95 11 -93 Alumina, 4330 46'28 Perox. Iron, 2'95 2 68 Lime, - 1-30 1-03 P...rotox. Copper, - 25 25 Water, - 35-50 3550 In nests, between clay slate and limestone. From Freienstein, Styria, (2) Dillnite. Fracture flat conchoidal, even, earthy. Opaque. Dull white. H. = 3-5. G. =1'8 .. . 20. Analysis, by Hutzelmanu aud Karafiat, compact, 6 earthy, a. B. Silica, - 22-40 33'53 Alumina 5-90 53'00 Lime, - trace 0'88 Magnesia, 0-44 1-76 Water, - 21-13 20'05 It is the gangue of the diaspore of Schemnirz. (3) Hitchcockite. Massive. In coatings and botryoidal. 'Sometimes concentric like allophane.
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