MINE CORNE. 

 Unity, in thick, light-brown, translucent 

 crystals; North Downs Mine; Huel Gor- 

 land ; Huel Alfred ; Endellion. Beeralston, 

 Devon. Cumberland, Eoughten Gill, in 

 wax-yellow crystals; Mexico Mine; Dr}'- 

 gill {Kampylite) ; Brandygill ; Carrock 

 Fells; Saddleback. Allendale, Grasshill, 

 Teesdale, Durham. Grassington, Yorkshire. 

 — Foreign. Johanngeorgenstadt, in Saxony, 

 in fine yellow crystals. St. Prix, Dept. of the 

 Saone, in France, in capillary crystals. Zinn- 

 wald, Badenweiler. Nertschinsk, in Siberia. 



Name. From f^i^-'^.^y,?, imitator, from its 

 resemblance to Pyromorphite, with which 

 it also occurs, mixed in all proportions. 



For varieties of Mimetite, see Hedtphane 

 and Kajvifylite. 



M. P. G. Principal Floor, Wall-case 45, 

 No. 191 (British). 



This mineral was worked at Drygill, in 

 Cumberland, as an ore of lead, and was used 

 as an ingredient in the manufacture of flint- 

 glass, to which it imparted a peculiar bril- 

 liancy, ( Greg §• Lettsom. ) 



Mine Corne, Beudant. See Kerakgy- 



EITE. 



Mine d'Acier, Leymerie. A name for 

 Siderose, from its fitness for making steel. 



Mine d'Amadou. See Tinder Ore. 



Mine d'Etain Commune, Brochant. See 

 Cassitekite. 



Mine de Cuivre couleur de Brique, 

 Brochant. See Tile Ore. 



Mine de Cuivre Panachee ou Vio- 

 LETTE, Brochant See Erubescite. 



Mine de Fer Bi.anche,^ 

 von Born. ( See 



Mine de Fee Spathique, rCnALYBiTE. 

 Brochant. J 



Mine de Mercuke Cornee, Brochant. 

 See Calomel. 



Mine de Mercure Hepatique, Bro- 

 chant. See Hepatic Cinnabar. 



Mine de Plomb Blanche, Brochant. See 

 Cerusite. 



Mine de Plomb Brune, Brochant. See 

 Pyromorphite. 



Mine de Plomb Noire. See Graphite. 



Mine des Lieux Bourbeux, ^ o t> 

 Brochant. Swamp- ore. C T^o^ 



Mine des Marais, Brochant. T ^^^^' 

 Morass-ore. J " ' 



Mine des Prairies, Brochant. Meadow- 

 ore. See Bog Iron- ore. 



Mineral Alkali, Kirwan. See Natron. 



Mineral Blue. The name given to 

 Azurite when ground, to an impalpable 

 powder. From its liability to turn green it 

 is not of much value as a pigment. 



MTSENITE. 241 



Mineral Cahoutchou, Kinvan. See 

 Elaterite. 



Mineral Carbon, or Charcoal. The 

 name given to the thin fibrous layers of a 

 silky-black colour which occur in the Coal- 

 measures of this country, at Whitehaven in 

 Cumberland ; and at Vogtsberg in Styria, 

 Disko Island, Greenland, and elsewhere. 

 It is nearly pure carbon, and is called b}' 

 colliers " mother of coal." 



Mineral Oil, Phillips. See Naphtha, 

 and Petroleum. 



Mineral Pea. See Pisophalt. 



Mineral Pitch, Jameson, Kirwan. See 

 Asphalt and Bitumen. 



Mineral Resin. See Amber. 



Mineral Tallow. See Hatchettine. 



Mineral Tar. A more viscid variety 

 of Mineral Pitch than Petroleum. 



Mineral Turquois, Jameson. See TuR- 



QUOIS. 



Mineral Wax. See Hatchettine. 



Minium, Brooke ^ 3Iiller, Dana. Red 

 Lead ore. Occurs amorphous and pulveru- 

 lent, exhibiting a crystalline structure 

 under the microscope. "^Colour bright red. 

 Lusti'e feeble. Opaque. Streak orange- 

 yellow. H. 2-5. S.G. 4 6. 



Comp. Oxide of lead, or Pb^O* = 2Pb, Pb 

 = lead 90-7, oxygen 9-3 = 100. 



BB on charcoal it is first converted into 

 litharge and becomes yellow, and then is 

 reduced to metallic lead. 



Localities. English. — The Paiys Mine in 

 Anglesea. Merionethshire. Snailbeach Mine, 

 Shropshire. Alston, Cumberland. Gras- 

 sington Moor, Yorkshire; and Weardale, 

 Durham. — Scotch. Leadhills, Lanarkshire. 

 — Irish. Lugganure, Wicklow co. — Foreign, 

 Near Badenweiler, in Baden. Bleialf in 

 the Eifel, Brilon, Westphalia. Austin's 

 Mine, Virginia, U.S. 



Brit. Mus., Case 18. 



Minium is not a very common ore of lead. 

 It is generally associated with Galena, of 

 the decomposition of which it is probably a 

 result. 



Mirabilite, Haidinger, Brooke ^ Miller. 

 See Glauber Salt. 



MiROiR d'Ane. See Selenite. 



MiRoiR DES In CAS. See Pierre des Incas, 



Misenite, a. Scacchi. A hydrous sul- 

 phate of alumina, occurring in white silky 

 fibres, in a hot cavex-n, near Misene in the 

 Campagna. Taste acid and bitter. 



Comp. K S + H S, or hydrated sulphata 

 of potash. 



K 



