Syllabus of Six Elementary Lectures on Mineralogy, 



ADAPTED TO A JUVENILE AUDIENCE, 



with A view to facilitate the Study OF GEOLOGY AND OF MINERAL SUBSTANCES 



used in the ARTS, which will be given by J. TENNANT, F.G.S., Professor of 

 Geological Mineralogy at King's College, London, Mineralogist to Her Majesty, 

 &c, at his residence, 149 Strand, London, W.C. 



On December 29, 31, 1873, and January 2, 5, 7, 9, 1874. 



Terms : — Half a Guinea for the Course ; Five Shillings for Children of Fellows of the 

 following Societies : — 'Geological, Zoological, Chemical, Royal Microscopical, Royal Geo- 

 graphical, Royal Horticultural, Geologists' Association, and Society of Arts. 



The Course will commence with a description of the Physical and Chemical characters of 

 Minerals in general. 



Physical Characters. — Crystallization, Cleavage, Fracture, Frangibility, Hardness, 

 Lustre, Colour, Flexibility, Double Refraction, Touch, Taste, Odour, Streak, Powder, Ad- 

 hesion to the Tongue, Magnetic and Electric Properties, Phosphorescence, Specific Gravity. 



Chemical Characters. — Use of the Blowpipe, Action of Acids, &c. 



The principal simple Minerals will be next separately considered, and the readiest mode 

 of distinguishing them described. The following is the order adopted : — 



A. Earthy Minerals. — Rock-crystal, Amethyst, Cairngorm, Avanturine, Cat' s-eye, Opal, 

 Chalcedony, Flint, Onyx, Agate, Carnelian, Heliotrope, Jasper, Hornstone, Chert, Garnet, 

 Idocrase, Axinite, Epidote, Augite, Hornblende, Asbestos, Tremolite, Actinolite, Felspar, 

 Zeolites, Mica, Talc, Chlorite, Calcite, Fluor, Selenite, Baryta, Strontia, Salt, Cryolite, &c. 



B. Combustible Minerals. — Sulphur, Bitumen, Coal, Jet, Amber, &c. 



C. Minerals used in Jewelry. — Diamond, coloured varieties of Corundum — Sapphire, 

 Ruby, Topaz — called oriental stones ; Spinel, Turquoise, Topaz, Emerald, Beryl, Hyacinth, 

 Tourmaline, Lapis-lazuli, &c. 



D. The Metalliferous Minerals will be fully described in the Practical Course. 



The Course of Instruction will include a minute description of all the substances enter- 

 ing into the composition of Rocks, and of those minerals which are also used in the 

 Arts, illustrated by an extensive collection of characteristic specimens and diagrams of the 

 principal crystalline forms, &c. 



To be followed in the Easter Holidays by Six Elementary Lectures 

 on Geology, April 6, 7, 8, 9, 10, 11, at 3 p m. 



Descriptive Geology. — Classification of Rocks into Aqueous, Volcanic, Plutonic, and 

 Metamorphic. 



Mineral Composition of Strata. — Arenaceous, Argillaceous, Calcareous. — Chronological 

 Classification of Sedimentary Rocks, with descriptions of the principal Fossils belonging to 

 each great deposit. 



Tertiary, or Cainozoic Series. — Cave-Deposits, Crag, Isle of Wight, and Bagshot series, 

 London Clay, Woolwich Beds. 



Secondary, or Mesozoic Series. — Cretaceous, Wealden, Oolitic (Upper, Middle, and 

 Lower), Triassic Groups. 



Primary, or Pal,eozoic Series. — Permian, Carboniferous, Devonian, Silurian, and Cam- 

 brian Groups. 



The mode of collecting, cleaning, and arranging Fossils, Minerals, and Rock-specimena 

 will be described. 



In the Summer Holidays by Six Elementary Lectures on Practical Geology. 



The lessons delivered on the subject of Geology are intended to have especial reference 

 to the important practical applications of that science to Engineering, Mining, Architec- 

 ture, and Agriculture. The Granites, Syenites, Porphyries, Greenstones, Clays, &c. will 

 be described, and the Minerals peculiar to each noticed. 



The application of Geology to pursuits connected with mining operations for Coal, 

 Iron, Copper, Tin, Silver, Gold, Mercury, Antimony, Zinc, Cobalt, &c. will be specially 

 considered. The student is directed how to proceed in examining a new country, to 

 collect and record his observations, and mark his specimens, in order to render them 

 useful to more experienced geologists at home. 



In order more fully to exemplify the applications of the Science, Mr. Tennant accompa- 

 nies his Classes to various Museums in London, including the Museum of Practical Geology 

 and the British Museum; also on excursions into the country, in which the actual field- 

 work of the Geologist is explained and illustrated. 



\* Mr. Tennant's lectures at King's College will be resumed on Wednesday morning, 

 January 21st, and the evening lectures on Thursday the 22nd. 



[December 1873. 



