By John Stevens Henslow
John Stevens Henslow (1796-1861), a scholar of Adam Sedgwick, grew to become Professor of Mineralogy at Cambridge in 1822. He quickly moved to a chair in Botany, and have become a instructor and mentor to Charles Darwin. This publication on mineralogy used to be first released in 1823. It used to be meant to avoid wasting time in school by way of delivering an simply obtainable connection with the composition of varied minerals in keeping with the rules of atomic conception, which was once then getting into the medical mainstream. In that paradigm, research and exam of any mineral's composition concerned first ascertaining the mineral's effortless molecules, either 'essential' and 'accidental', and moment, settling on the proportions within which the basic materials mixed to shape the integrant molecule of the mineral. Henslow's ebook will curiosity historians of technology tracing the improvement of atomic thought, and people operating extra extensively within the heritage of college schooling and the highbrow weather of the 19th century.
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II. Prim. Cube or regular octohedron. in. —Capillary — dendritic — amorphous, iv. G. 5844, Species 2. —Red oxide of Copper—Ruby Copper. Klap. Chen. i. Copper... . 9 1 . Oxygen . . 9 . ii. in. iv, vi. Theory. 1 + 1 Prim, Regular octohedron. Crystals 100—capillary—amorphous. G. 691. Ferruginous—Tile ore. G. —Copper = 10 to 50 percent. Species 3. Copper. Per-oxide of Copper? — Black in. Disseminated—reniform and fibrous, 25 LECTURES ON MINERALOGY. Species 4. — Vitreous copper—copper glance. Thorn.
Theory. Klap. Theory. i. T i n . . 7 7 . 5 75. 75. 5 &c. Iron . 25 &c. 75 Silex . 75 II. Prim. Symetrical octohedron* HI. Crystals 10—fibrous (wood tin)—concretionary —granular (stream tin)—amorphous. iv. G. 95. Species 2. Sulphuret of Tin? Klapr. Tin... Sulph.. Iron . 5 34. 5 25. 12. 2. 30. 36. m. Disseminated—amorphous, iv. G. 785. 24 A SYLLABUS OF GENUS XI. COPPER. S. G. 87 and 9. Wire i inch supports 299 lbs,— Bronze — Bell-metal — Sheet-copper — 10844 Tons raised in Great Britain and Ireland in one year ending SO June 1822.
Berg. Theory. i. 6 + 4 II. Prim. Acute rhomboid P. P. = 81° 23'. in. Crystals 7—fibrous—pulverulent — amorphous —stalactitic. Species 7. Carbonate of Iron—Spathose Iron —Brown Spar. Bert. Theory. Bayen Theory. Protox. Iron 57. 57. 6 1 Carb. Acid 35. 8 + 34 34. 1 Manganese... 5 &c. Magnesia . 5 Loss 1. II. Prim. Obtuse rhomboid P. P'. = 107°. HI. Crystals—fibrous—amorphous, iv. G. = 3 . 8. Species 8. Phosphate of Iron. Laugierr Theory, Cadet Theory. 2 > 1 • • . 25 &c. 3. &c. Alumina.. 5.. 1 18 A SYLLABUS OF Bert.
A Syllabus of a Course of Lectures on Mineralogy by John Stevens Henslow