A handbook to the minerology of Cornwall and Devon1871 - 180 Seiten |
Andere Ausgaben - Alle anzeigen
A Handbook to the Minerology of Cornwall and Devon Joseph Henry Collins Keine Leseprobe verfügbar - 2018 |
A Handbook to the Minerology of Cornwall and Devon Joseph Henry Collins Keine Leseprobe verfügbar - 2013 |
A Handbook to the Minerology of Cornwall and Devon Joseph Henry Collins Keine Leseprobe verfügbar - 2015 |
Häufige Begriffe und Wortgruppen
acicular acid alumina analysis Angles anhydride Anhydrous antimony Argentite arsenic Axinite bead of copper Bismuth Blende blowpipe blue borax Botallack Breage brittle brown brownish Calcedony Calcite carbonate Carn Cassiterite cent Cerussite Chalcocite Chalcopyrite Chalybite charcoal Chlorite cleavage Cobalt colour Comp Copper Cornish specimens Cornwall crystals Cuprite dark decomposed Devon Dolcoath earthy Fahlerz Felspar fibrous flame Fluor formula fracture conchoidal fusible Galena Garnet granite green grey greyish HCl or HNO3 Hematite Hexagonal Hornblende Huel Hydrated infusible lead lime Limonite lustre metallic macled magnesia magnetic manganese massive matrass matrass gives Mica micro Mispickel named occurs odour Olivenite opaque Orthoclase oxide of copper oxide of iron pearly peroxide of iron potash prisms Pseudomorphs Psilomelane Pyrites Pyrolusite Quartz rare reactions Rhombic rock Schorl silica Silver Smaltite soda soluble in HCl sometimes Spar streak white striated Sulphide sulphur Torbernite translucent usually variety Wolfram yellow yields
Beliebte Passagen
Seite 54 - ... 1. Talc. 6. Orthoclase. 2. GypSum. 7. Quartz. 3. Calcite. 8. Topaz. 4. Fluorite. 9. Corundum. 5. Apatite. 10. Diamond.
Seite 95 - ... once what is the weight of a quantity of water, equal in bulk to the solid matter in the sand ; and by comparing this with the weight of the sand, we have its true specific gravity.
Seite 77 - The organic constituent of this substance (pigotite), the author considers to be derived from the decay of the various plants which grow on the moist moorlands above, and which, being carried by the waters into the fissures of the granite beneath, combines with the alumina of the decomposed felspar ; and when it reaches the air, deposits itself on the roof and sides of the caverns, in the form of layers, varying from a line to two or three inches in thickness.