334 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



Heulauditc. 



Hortonolito. 



Hovvlite. 



Hydromagnesite. 



Hydrotnlcite. 



Hj^jerstlienite. 



Idocrase. 



Utoenite. 



lodyrite. 



lolite. 



Iridosmine. 



Iron (meteoric). 



Jamesonite. 



Jeffersite. 



Kermesite. 



Labradorite. 



Lauarkite. 



Lapis lazuli. 



Laumontite. 



Lazulite. 



Leonhardite. 



Lepidolite. 



Leucite. 



Liebetheuite. 



Limonite car. 



Linnseite. 



Liroconite. 



Magnesitc. 



Magnetite. 



Magnolite. 



Malachite. 



Manganitc. 



Marcasite. 



Margarite. 



Meerschaum. 



Meionite. 



Melaconite. 



Melanosiderite. 



Mesolite. 



Metacinnabarite. 



Millerite. 



Mimetite. 



Mineral coal var. 



Molybdenite. 



Molybdite. 



Muscovite. 



Garnet inclusions. 



Hematite inclusions. 



Magnetite inclusions. 



Tourmaline inclusions. 

 Natrolite. 

 Nephelite. 

 Nitre. 

 Oligoclase. 



Aventurine oligoclase. 

 Olivenite, 



Opal. 



Fire opal. 



Milky opal. 



Precious opa 1 . 



Semi-opal. 



Wax opal. 



Wood o)ial. 

 Orpiment. 

 Orthoclase. 



Adularia. 



Amazonstone. 



Chesterlite. 



Moonstone. " 



Ossidiau. 



Pumice. 



Sunstone. 

 Ozocerite. 

 Pectolite. 

 Peridot. 

 Petzite. 



Pharmacosider ite . 

 Phlogopite. 

 Pickeringite. 

 Picrophyllite. 

 Pitchblende. 

 Pitticite. 

 Polybasite. 

 Polyhalite. 

 Polymygnite. 

 Prehnite. 

 Psilomelanite* 

 Pyrargyrite. 

 Pyrite. 

 Pyrolusite. 

 Pyromorphite. 

 Pyrosclerite. 

 Pyrosenite. 



Angite. 



Coccolitc. 



Hedenbergite. 



Jeffersonite. 



Malacolite. 



Sahlite. 



Uralite. 

 Pyrrhotite. 

 Quartz. 



Agate. 



Amethyst. 



Aventurine. 



Basanite. 



Chalcedony. 



Carnelian. 



Chrysoprase. 



Crystal. 



FHnt. 



Heliotrope. 



Q uar t z — C ontinued. 



Hornstone. 



Jasper. 



Noraculite. 



Onyx. 



Prase. 



Rosy. 



Sandstone flexible. 



Sardonyx. 



Siliceous sinter. 



Silicified wood. 



Smoky. 

 Quicksilver. 

 Realgarite, 

 Retinite. 

 Rhodonite. 

 Ripidolite. 

 Rutile. 

 Samarskite. 

 Sassolite. 

 Scapolite. 

 Scheeletinite. 

 Scheelite. 

 Schirmerite. 

 Schreibersite. 

 Scorodite. 

 Serpentine var. 



Chrysotilite. 



Ophite. 



Precious. 

 Siderite. 

 SilUmanite. 

 Smectite. 

 Smithsonite. 

 Sphalerite. 

 Spinel. 

 Spodumen . 

 Stannite. 

 Staurolite. 

 Stephanite. 

 Stercorite. 

 Stibnite. 

 Stilbite. 

 Sti'ontianite. 

 Struvite. 

 Sulphur. 

 Sussexite. 

 Sylvanite. 

 Sylvite. 

 Tachydrite. 

 Talc. 

 Tellurite. 

 Tellurium. 

 Tennantite. 

 Teschemacherito. 

 Tetrahedrite. 



