DESCRIPTIVE LIST OF USEFUL MINERALS.--The Gems--Precious
Metals--Valuable Ores and Useful Minerals of the United States from
Agate to Zinc--Their Distinguishing Characters, Uses and Localities--A
Mineralogy for Miners--Agate--Alum--Amethyst--Anthracite--Antimony
Ore--Asbestus--Asphaltum--Azurite--Baryta--Bituminous
Coal--Blende--Bog Iron Ore--Brittle Silver Ore--Brown
Coal--Calamine--Cannel Coal--Carnelian--Celestine--Cerussite--Chromic
Iron--Cinnabar--Cobalt Pyrites--Copper--Copper
Glance--Copper Nickel--Copper Pyrites--Diamond--Emery--Fluor
Spar--Franklinite--Galena--Garnet--Gold--Graphite--Gray Copper
Ore--Gypsum--Horn Silver--Iron Pyrites--Jasper--Kaolin--Lenticular
Iron Ore--Limonite--Magnetic Iron Ore--Magnetic
Pyrites--Malachite--Manganese Spar--Marble--Mica--Micaceous Iron
Ore--Nitre--Oxyd of Manganese--Platinum--Red Copper Ore--Red
Hematite--Red Silver Ore--Rensselaerite--Rock Crystal--Rock
Salt--Rutile--Serpentine--Silicate of Copper--Silver--Silver
Glance--Smaltine--Smithsonite--Spathic Iron--Specular
Iron--Spinel Ruby--Steatite--Strontianite--Sulphur--Tin
Ore--Topaz--Tourmaline--Variegated Copper
Ore--Wad--Willemite--Zincite.....20