104 



BULLETIN 33, UNITED STATES NATIONAL MUSEUM. 



Marialith. See Marialite, 



Marianglass. See Gypsum. 



Mariatite. See Sphalerite. 



Marienglas. See Gypsum. < 



Marionite. See Hydrozincite. 



Mariposite. See Muscovite. 



Markasit. See Marcasite. 



Marl. See Calcite. 



Marmairolife, Hoist. R"Si03, R=:Mg, Ca, 

 Naj, K<2, etc. MoDOclinic (?). 



Marmatite. See Sphalerite. 



Marniolite. See Serpentine. 



Marmolith. See Serpentine. 



Marmor. See Calcite. 



Marmor bardiglio di Bergamo. See An- 

 hydrite. 



Marmoreus ramulosus. See Aragon- 

 ite. 



Marmor fugax. See Gypsum. 



Marmor luculleum. See Calcite. 



Marmor metallicum. See Barite. 



Marmor serpentinum. See Serpentine. 



Marmor zeblicium. See Serpentine. 



Marmor zoblizense. See Serpentine. 



MARSH GAS. CH4. Brisou ; empy- 

 reumatic or carburetted hydrogen 

 gas, James. ; empyreumatisches hy-* 

 drogen gas, Mohs ; gekohltes wasser- 

 stoffgas, Mohs; hydrogen carbu- 

 retted; hydrogene carbon^; hydro- 

 gene semi carbon^ ; ignis fatuus ; 

 kohlenwasserstoffgas, Eaus. ; pro- 

 tocarbur6 d'hydrogeue ; schwere 

 brenubare luft ; sulphur ; terrou. 



Marsh ore. See Liinonite. 



Martial arseniate of copper. See Scor- 

 odite. 



Martial pyrites. See Pyrites. 



Martinite, Kloos. 2Ca3(P04)2. 4 CaHPO.j 

 -f-HjO. Hexagonal. 



Martinsite. See Halite and Kieserite. 



Martite. See Hematite. 



Mascagiaine. See Mascagnite. 



MASCAGNITE. (NH4).S04+H20. Or- 

 thorhombic. Ammouiaque sulfat^e, 

 Fr.; ammonia sulphate ; mascagnin, 

 Earst. ; masoagnine, Dana ; maskag- 

 nin, Karst. ; prismatic ammoniac salt, 

 Mohs; sel ammoniac de Glauber, Sage; 

 sel ammoniac vitrioiique ; sulphate 

 of ammonia. 



Maskagnin. See Mascagnite. 



MASKELYNITE, Fischer. R"AUSiaOio. 

 Isometric. 



Masonite. See Chloritoid. 



MASSICOT, Haot. PbO. Orthorhom- 

 bio. Bleiglatte ; bleioxyd ; gltitte ; 

 lead ochre ; lead oxide ; oxide of 

 lead; plomb oxid6; plomb osid6 

 jaune; plumbic ochre, Dana. 



Massive boracite of Stassfurt. See 

 Boracite. 



Massive gehleiiite. See Mellite. 



MATLOCKITE, Greg. Pb2Cl20. Tet- 

 ragonal. Lead oxychlorid ; oxy- 

 chloride of lead ; oxychlorure de 

 plomb ; plomb chlorurd, Dufr. ; plomb 

 murio carbonate. 



MATRICITE, UoUi. Mg.2Si04+H:0. 

 Crystalline. 



Matrix of corundum. See Anorthite. 



Mauilite. See Labradorite. 



MAXITE, Laspeyres. 5 PbS04. 9 Pb 

 CO:i. 4PbO-f5H20. Orthorhombic. 



Meadow ore. SeeXiimonite. 



Mealy zeolith. See Natrolite. 



Meconites. See Calcite. 



MEDJIDITB, Smith. U2Ca3(S06)2+15 

 H.2O. Crystalline. Sulphate of ura- 

 nium and lime ; Tirauium sulphate. 



Medulla Saxi. See Kaoliuite. 



Meerschaluminite. See Pholerite. 



Meerschaum. See Sepiolite, 



Meerschaum of Sala. See Serpentine. 



Meerschaum of Taberg. Se© Serpen- 

 tine. 



MEG-ABASITB, Breit. (Fe", Mn")4 

 W3O13. Orthorhpmbic. Blumite, 

 Licbe. 



Megabromite. See Embolite, 



Mehl zeolith. See Natrolite and Mesol- 

 ite. 



MEIONITE, RaUg. Ca6Al«(Si04)9. Tet- 

 ragonal. Hyacinte blanche de la 

 Somma, de Lisle; hyacinthiue, la 

 Melherie ; mejonit ; white hyacinth, 

 of Somma. 



Mejonit. See Meionite. 



Melaconisa. See Melaconite. 



Melaconise. See Melaconite. 



MELACONITE, Huot and Dana. CuO. 

 Isometric. Black copper, FhilUps ; 

 black oxyd of copper ; copper oxyd ; 

 cuivre oxid^ noir, Uaiiy; kupfer- 

 schwiirze, Wern. ; manganese hydrate 

 cuprif^re; melaconisa, <Scac. ; melaco- 

 nise ; melakonit ; oxide of copper. 

 Marcylite, Shepard. 



Melakonit. See Melaconite. 



Melanasphalt. See Albertite. 



