 | | Book (edition) | | softness and Bath Freestone within the Sulphur, Opal sometimes minerals, coarser like across, the...INTRODUCTION. mired in the zite, the Labrador Opal, and the Schiller the Bron- Felspar, Spar....Bitume greenish brown Odin in Carharrack, Cornwall; Dumbarton. ; opake a shin- rather brittle... 1.β1.6. at Haughmond Hill, Shropshire in Cornwall. ; in mineral 6. Mineral Charcoal. greyish...but occurs in Mewan, Carnon, Streamworks, Cornwall; Leadhills, Glen Turrich, Perthshire; in small |  | | Journal (volume) | | TRANSACTIONS OF THE Royal Geological Society OF CORNWALL . INSTITUTED FEBRUARY 11th , 1814 . VOLUME THE...ROYAL HIGHNESS The Prince Regent , DUKE OF CORNWALL, PATRON OF THE SOCIETY, THIS FIRST VOLUME...advancement of the mining resources of the County Cornwall ; for the benefits which such an of In stitution...Cabinet. In the construction of a geological map of Cornwall , the Society has made considerable progress,...Society of Cornwall, 1818.. PATRON . His Royal Highness the Prince Regent, Duke of Cornwall. VICE - PATRONS |  | | Book | | the Diamond, and in a less degree by the Precious Opal. Change of Colours is of a somewhat similar nature...is displayed from the inthe case in some kinds of Opal and Cat's-Eye. Tarnish signifies that the colour...Resinous, or the lustre of common rosin ; of which Opal, and some kinds of Blende are examples. 4. Pearly...Hornstone. Automolite. Bombite. Jaspery Quartz. Jasper. Silica. Vitreous Quartz. Rock Crystal. Rock...Precious Opal. Side rite. Greasy Quartz, Harlequin Opal. Golden Opal. Fire Opal. Common Opal. Ferruginous |  | | Book (volume) | | Bavaria, Wurtemberg, and Switzerland ; also in England, in Spain, and in many other countries in and out...Ve- suvius, the Solfataras, the Lipari islands, England, particularly the neighbourhood of Newcastle, Scotland...Hungary ; also in Sweden, in Spain, &c. ; in England ; at Hurlet and other places. different coal-mines...near GosJar, Neusohl in Hungary, Anglesea in England, Wicklow in Ireland, Fahlun in Sweden, the isle...Holywell in Flintshire, and it is said also in Cornwall. 4. It occurs but sparingly in nature, but is |  | | Book (edition) | | state, that the primary and transition tracts of England and Wales, have been investigated in a far less...or the still more beautiful colours of the noble opal and Labrador felspar. The resinous lustre in minerals...given to it. is also the phosphate of iron of Cornwall ; while that of New .Jersey is brittle. Elasticity...decomposition, as some varieties of chalcedony and opal. Magnetism. xxxvtti Magnetism. This character...transparent fluor which is found in the north of England, when powdered and thrown on a live coal, gives |
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