iron plow Newbolds 1797

CylindriteIron Lead Tin Antimony Sulfide

Boehmite w minor mixture of other aluminum and iron oxides

wrought iron frame

Center for Environmental Excellence shield

Jarosite on quartz Potassium iron sulfate

ornate wrought iron

Vivianite with Triphylite and Feldspar hydrous Iron Phosphate

Triphylite in Pegmatite Lithium Iron Phosphate

Iron II sulfate

Cummingtonite w Chlorite in schist Magnesium iron silicate

Ilvanite with quartz and limonite Calcium iron silicate

Griphite sodium aluminum calcium iron manganese phosphate

Tennantite Copper Iron Arsenic Sulphide

Siderite Iron Carbonate

Iron in rocks make river red

Hectorite Hydrous magnesium iron silicate

Biotite basic potassium magnesium iron aluminum silicate

iron age implements

Adirondack Mountains Racquet River

Trail of the Iron Horse

Serpentine Magnesium Iron Silicate Hydroxide

Scorodite Hydrated Iron Arsenate

Three Brothers Yosemite Calironia