Calendar: 1868-1869 Page 287

EVENING CLASSES 287 XXV -MINERALOGY GEOLOGY AND MINING Bay and Hour of Attendance-Thursday from to Michaelmas to Christmas -JHtneralogg The Course will commence with description of the Physical and Chemical characters of Minerals in General Physical -Crystallization Cleavage Fracture Frangibi- lity Hardness Lustre Colour Flexibility Double Refraction Touch Taste Odour Streak Powder Adhesion to the Tongue Magnetic and Electric Properties Phosphorescence Specific Gravity Chemical -Use of the Blowpipe Action of Acids &c The principal simple Minerals will next be separately con- sidered and the readiest mode of distinguishing them described The following is the order adopted Earthy Minerals -Rock Crystal Amethyst Cairngorm Avanturine Cat's-eye Opal Chalcedony Flint Onyx Agate Carnelian Heliotrope Jasper Hornstone Chert Garnets Idocrase Axinite Epidote Augite Hornblende Asbestos Tremolite Actinolite Felspars Zeolites Mica Talc Chlorite Calcite Fluor Selenite Barytes Strontian Salt Cryolite Combustible Minerals -Sulphur Bitumen Coal Jet Amber &c Minerals used in Jewelry -Diamond coloured varieties of Corundum Sapphire Ruby Topaz-called Oriental stones Spinel Turquoise Topaz Emerald Beryl Hyacinth Tourma- line Lapis-lazuli &c The Metalliferous Minerals will be fully described in the Practical Course during Easter Term The Course will include minute description of all the substances entering 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