Mineral GuideGems
How the Earth was Formed
Marbles
Mineral Gallery
Mining of Metals
Minor Gems
Ores
Copper and Lead Ore
Anglesite picture
Cerussite coating Galenite picture
Chalcocite picture<
Cholcopyrite picture
Galenite picture
Native Copper picture
Copper metal
Iron Ores
Lead metal
Nickel metal
Spathic Iron Ore
Tin metal
Zinc metal
Petroleum
Precious Stones
Quartz and the Silicates
Useful websites
Chalcocite picture
